SIMULIA SOUTH 2017 REGIONAL USER MEETING OCTOBER 17, 2017 I HOUSTON, TX PROGRAM

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1 SIMULIA SOUTH 2017 REGIONAL USER MEETING OCTOBER 17, 2017 I HOUSTON, TX PROGRAM

2 Thank You to Our Sponsors!

3 SIMULIA SOUTH 2017 REGIONAL USER MEETING 7:30 Track I - Berkshire I & II Registration & Continental Breakfast Chelsea Room Track II - Berkshire III & IV 8:30 9:00 Computational Analysis and Tool Development for Advanced Non-Linear Aerospace Structures Pedro Leal, Texas A&M University Simpleware and Abaqus: From 3D Image Data to Simulation Kerim Genc, Synopsys Private and Public Cloud for SIMULIA CAE Simulations Antonio Guglielmetti, TotalCAE Plenary Session - Berkshire I & II 9:30 Opening Remarks Kelli Peebles & Rob Miller, Dassault Systèmes 9:45 SIMULIA Executive Update Alan Prior, Dassault Systèmes 10:15 Coffee Break - Chelsea Room Plenary Session - Berkshire I & II 10:45 11:15 Keynote Presentation: Verification Analysis and Validation Testing of Oil and Gas Equipment: Standards Evolution and Consideration of Structural (Normal, Extreme, Survival) and Fatigue Performance Dr. Jim Kaculi, P.E., Vice President of Engineering, Dril-Quip, Inc. Delivering Sustainable Innovation with the 3DEXPERIENCE Platform Andy Kelsey, Dassault Systèmes 11:45 Lunch - Atrium 12:45 1:15 1:45 Track I - Berkshire I & II Recent Progresses on Fracture and Failure in Abaqus Zhen-zhong Du, Dassault Systèmes Numerical Evaluation of Stress Shadowing and Fracture Interference using extended Finite Element Method (XFEM) Sandeep Kumar, Exxon Mobil Upstream Research Company Electro-Magnetic Forum - Overview of CST Technology and Applications David Johns, Dassault Systèmes Track II - Berkshire III & IV 3DExperience Platform - Meshing and Visualization Highlights Yuan Di & Murtuza Abbas, Dassault Systèmes Set It and Forget It: Simulating Realistic Downhole Dynamics to Improve Reliability of Liner Top Packers Jeff Williams, Baker Hughes Abaqus/CAE Update Mike Shubert, Dassault Systèmes 2:15 Track I - Berkshire I & II Group Photo - Atrium Coffee Break - Chelsea Room Track II - Berkshire III & IV 3:00 3:30 4:00 Assessment of Axial Load-Bearing Capacity of a Retrievable Bridge Plug using Computational Methods Feng Gao, Weatherford Fatigue Analysis of Subsea Cladded Vessel using fe-safe Arindam Chakraborty, VIAS Assessment of Ductile Tearing Instability in a Wellhead Desander with Embedded Flaw Sam Lee, TechnipFMC The Expanding Scope of Simulation with Standalone Products Sreeparna Sengupta, Dassault Systèmes Enhancements to the Abaqus Welding Interface Mike Shubert, Dassault Systèmes M2M Remeshing Plugin: Automatic Mesh-to-Mesh Solution Mapping in 2D Fernando Dri, Dassault Systèmes 4:30 5:00 Evolution of NuStep Exercise Machine Sickle Design Utilizing Tosca Optimization and Additive Manufacturing Rob Hurlston, CAElynx Presenting for NuStep Networking Reception Chelsea Room Phase Transformation Modeling for Manufacturing Simulations Tom Wilt, Dassault Systèmes

4 SIMULIA SOUTH 2017 REGIONAL USER MEETING Abstracts Computational Analysis and Tool Development for Advanced Non-linear Aerospace Structures Pedro Leal, Texas A&M University Berkshire I & II, 8:30 AM Analysis-driven design optimization employing high-fidelity and multi-physical models continues to improve performance in the area of aerospace structures. Tools such as the Abaqus API enable engineers to apply their creativity and knowledge regarding the behavior of various material systems and design methods to extend the capabilities of geometrically complex multifunctional structures. For example, the development of optimized morphing structures incorporating distributed compliant regions is a complex problem for which the design space is vast and there may be an infinite number of solutions for a desired goal. An elegant solution to formally represent a structure is the genetically inspired L-system algorithm, which can be implemented in Python-based Abaqus scripts. Design capabilities in this regard are further expanded via open-source software that utilizes Boolean operations of simpler geometries to generate complex 2D structures. In-house frameworks have also been developed to fully enable the coupled analysis of different physical phenomena not natively possible in current Abaqus installations. Examples include a low-fidelity fluid-structure interaction (FSI) model for morphing wings and variable heat rejection model for a morphing radiator. Bio: Pedro B. C. Leal is a Research Assistant at Texas A&M University. He received a B.S. and M.S. degree from Universidade Federal do Rio de Janeiro. He works in collaboration with Dr. Darren Hartl developing avian-inspired, morphing aircrafts and on designing morphing technology to mitigate noise impacts generated by sonic booms. His main interests are morphing structures, multiphysics problems, and optimization. Simpleware and Abaqus: From 3D Image Data to Simulation Kerim Genc, Synopsys Berkshire I & II, 9:00 AM Simpleware software converts 3D image data (MRI, CT...) into models for CAD, CAE and 3D printing, and is well-established among Abaqus users wanting to generate high-quality meshes for simulation in areas such as the Life Sciences, Materials Science, Industrial Reverse Engineering, and Non-Destructive Testing. Simpleware solves challenges for processing 3D image data, including the ability to fully reconstruct, measure and quantify image data prior to export as robust, watertight meshes for simulation. In addition, Simpleware provides CAD integration tools for combining image data with CAD models, with applications including the positioning of medical devices within patient-specific data. In the Life Sciences, Simpleware and Abaqus represent a joint solution for working on complex anatomical data, supporting research into the processes of the human body and implant design. Other application areas include the study of patient-specific physiological and cardiovascular flows. Simpleware also provides ready-to-use human body models for carrying out different types of simulation in Abaqus, including head impact studies and stress and strain analyses. This talk will cover the key features of Simpleware and those of the latest M release; it will also discuss application cases involving Simpleware and Abaqus, and how use of the software is achieving breakthroughs in different fields, including the study of materials, rock physics, and the generation of high-quality models for non-destructive testing of industrial parts, from automotive engines to aerospace components. Bio: Kerim Genc is the Simpleware Solution Account Manager at Synopsys Inc. He is responsible for their technical sales, strategy and business development for the US and Canada. He received his BS and MS in biomechanics from the University of Calgary and the Pennsylvania State University respectively and completed his PhD in Biomedical Engineering at Case Western Reserve University in Private and Public Cloud for SIMULIA CAE Simulations Antonio Guglielmetti, TotalCAE Berkshire III & IV, 9:00 AM TotalCAE provides and manages turnkey High Performance Computing cluster solutions for on-premise and the public cloud that reduce turnaround time and increase productivity for engineers. TotalCAE makes it simple to adopt both private and public cloud computing solutions for all your engineering applications as the one stop shop for engineering IT solutions. Bio available soon SIMULIA Executive Update Alan Prior, Dassault Systèmes Berkshire I & II, 9:45 AM Bio: Dr. Prior obtained a BSc in Mechanical Engineering, followed by a PhD in Impact Dynamics. He is a Chartered Engineer, and a Fellow of the Institution of Mechanical Engineers. He worked as a Technical Specialist with the UK Ministry of Defense and BAE SYSTEMS before moving into the analysis software business in He spent 7 years managing technical support teams, followed by ten years as UK General Manager of the Abaqus Company, which was acquired by Dassault Systemes in 2005 to form the SIMULIA brand.

5 He has held a number of positions within SIMULIA, including Director of Aerospace Accounts in Europe and Technical Director for SIMULIA Northern Europe, and served for many years as a member of the NAFEMS UK Steering Group. He is currently Vice President, Worldwide Centre of Excellence, responsible for the worldwide field teams delivering support, training and services to SIMULIA customers. Keynote Presentation: Verification Analysis and Validation Testing of Oil and Gas Equipment: Standards Evolution and Consideration of Structural (Normal, Extreme, Survival) and Fatigue Performance Dr. Jim Kaculi, P.E., Vice President of Engineering, Dril-Quip, Inc. Berkshire I & II, 10:45 AM The oil and gas industry is targeting drilling and production operations in much deeper waters and harsher environments. This requires equipment suitable for HPHT applications, creating a need for development of new technology to meet the challenges faced in these new frontiers. The existing industry equipment is reaching their limits and the manufacturing sector is developing the next generation subsea systems. Operating in such harsh environments with higher load combinations and temperatures is associated with higher risks and the safety and reliability of equipment is very important. Use of advanced analysis/simulation tools coupled with the validation testing is crucial to evaluate current equipment capacities, and develop the new technology that meet the structural and fatigue performance challenges at HPHT environments. Equipment verification analysis and validation testing both at component and system level is required to validate the modeling techniques, confirm the safety design margins, and ensure safe and reliable operations. Our cutting-edge engineering design innovation and use of advanced analysis tools (Abaqus, etc.) coupled with the R&D validation test programs has raised the bar and created a new set of standards in the industry resulting in value added, safer, and more reliable equipment. Examples of this work and the benefits of the advanced analysis/simulation will be presented. Bio: Dr. Kaculi is the Vice President of Engineering at Dril-Quip, Inc. and is responsible for the company global engineering standards and activities. He has over 16 years of experience in design and analysis of a wide-range of subsea drilling and production equipment suitable for HPHT applications used in the oil and gas industry. Has expertise in stress analysis (FEA) and fatigue/fracture mechanics and is an Abaqus user for close to 14 years. He holds Bachelor of Engineering Science (Polytechnic University of Tirana), Master of Engineering Science and Doctor of Engineering (Lamar University) degrees in Mechanical Engineering. Was involved in over five years of scientific research in Nanotechnology. He is actively involved with API s standards development and a member of various committees (API SC6, API SC16, API SC17, API SC19, API- 17TR8, API-5C5, API-TR12, API-6X, API-16A) and is the chairman of API 17TR7. Serves as AWHEM representative to API, is a member of API Committee on Standardization of Oilfield Equipment and Materials (CSOEM), and a member of the US Technical Advisory Group for ISO Technical Committee 67. He is a licensed professional engineer in the state of Texas and has authored several technical papers, including a US patent. Participates in various professional organizations, and is the vice-chair of ASME OTC Program Committee. He is the recipient of the 2015 ASME Arthur Lubinski Award of Excellence. Delivering Sustainable Innovation with the 3DEXPERIENCE Platform Andy Kelsey, Dassault Systèmes Berkshire I & II, 11:15 AM This presentation explores the emerging reliance on simulation to deliver sustainable innovation and illustrates how the 3DEXPERIENCE platform provides a foundation to meet the increasing demand on simulation to drive the delivery of new designs. The session will demonstrate how simulation on the 3DEXPERIENCE platform supports and enriches the various stages of the design process from requirements gathering and assessment, through conceptual and detailed design and finally to validation and manufacture. Examples will show how businesses are able to respond more quickly to market trends and changing customer demands and produce innovative and often disruptive designs faster by leveraging the power of simulation-based discovery throughout the design process. Bio: Andrew is a SIMULIA Senior Solution Consultant and has worked in the software industry in multiple roles, in support, development, consulting, and training. He received his Bachelor's and Master's degrees from Stanford University with joint programs in Structural Engineering and Computer Science, and is completing an MBA and MS in Business Analytics at UT Dallas. Currently he provides pre and postsales support, consulting, and training for the 3DEXPERIENCE platform. Recent Progresses on Fracture and Failure Modeling in Abaqus Zhen-zhong Du, Dassault Systèmes Berkshire I & II, 12:45 PM This presentation will cover some recent developments in modeling fracture/failure with Abaqus. Two newly developed functionalities are highlighted. One is on the new fatigue procedure for linear elastic response which does not make use of the Fourier representations as is the case for direct cyclic procedure. The new fatigue procedure offers significant performance gain over the existing direct cyclic procedure for liner elastic materials and can account for large geometric nonlinearity and the change of contact conditions. The other is on the enhancement of contour integral calculations with XFEM. Users can now calculate the contour integral with both line integral and domain

6 integral methods with the line integral method providing much smoother and more path independent results than the domain integral method. Bio: Zhen-zhong Du is currently a Technology Director in the Mechanics Group at SIMULIA R&D. He has been with SIMULIA for more than 21 years. He obtained his PhD in Fracture Mechanics from the University of Glasgow in the UK in Prior to joining SIMULIA in 1996, he worked at Cambridge, UK and at the University of California, Santa Barbara respectively. Since joining SIMULIA, he has been working on a number of key customer engagement projects through implementing some advanced mechanics technology in the commercial finite element code Abaqus. Recently, he is leading multi-years development efforts on advancing the XFEM technology and other fracture and failure technology in Abaqus. 3DExperience Platform - Meshing and Visualization Highlights Yuan Di & Murtuza Abbas, Dassault Systèmes Berkshire III & IV, 12:45 PM This presentation provides highlights of the meshing and results visualization capabilities on the 3DEXPERIENCE platform. The first part will focus on the Meshing tools available within the Physics Apps, demonstrating powerful meshing features applied to a complex ship model assembly. The second part of the presentation demonstrates how the results visualization capabilities of the 3DEXPERIENCE platform overcomes many of the current performance issues associated with large simulation models, making the user experience richer, more realistic, and more collaborative than ever before. Bio: Yuan is currently a Solution Consultant in the SIMULIA south office. Her main roles are tech support and pre-sales consulting for Abaqus and other SIMULIA products. Yuan joined the South office in January 2015 after graduating from Texas A&M University. She majored in both Ocean Engineering and Nuclear Engineering. Bio: Syed Murtuza Abbas is a solution consultant working with SIMULIA south technical support group in Dallas, TX. He provides support and training to Abaqus, Isight, fe-safe, Tosca, and 3DEXPERIENCE Platform users. He holds a bachelor s degree in civil engineering from Aligarh Muslim University and a PhD in structural engineering from University of Cincinnati. Experimental Validation of extended Finite Element Method (XFEM) for Hydraulic Fracturing Sandeep Kumar (Presenter), Pablo F. Sanz, Shekhar V. Gosavi, ExxonMobil Upstream Research Company Berkshire I & II, 1:15 PM extended Finite Element Method, also referred to as XFEM, is a simulation technique where a fracture is modeled via splitting of special enriched finite elements during the course of a simulation. XFEM allows simulating nucleation and growth of a fracture along an arbitrary, solution-dependent path without re-meshing. For nearly half a decade, ExxonMobil, in collaboration with SIMULIA, has been involved in developing, validating and applying XFEM for modeling of fluid-driven fractures. Here, in this work, we present an experimental validation of XFEM for modeling of fluid-driven fractures. The validation involves comparing the pressure response and fracture geometry measured in poly-axial fracturing experiments with those obtained from XFEM simulations. Two propagation regimes have been considered for this purpose: (a) storage-dominated regime (which involves injecting a high viscosity fracturing fluid in low permeability matrix), and (b) leak-off dominated regime (which involves injecting a low viscosity fracturing fluid in high permeability matrix). For both the regimes, the simulation results are reported to be in good agreement with experimentally measured results. Bio: Dr. Kumar is currently a senior research engineer at ExxonMobil Upstream Research Company. His research involves application of finite element methods in modeling of hydraulic fracturing and other geomechanical problems. He is currently exploring the applicability and feasibility of XFEM simulations in modeling industrial-scale hydraulic fracturing operations. He holds a Ph.D. in computational mechanics from MIT and an M.S. in mechanics from Caltech. Set It and Forget It: Simulating Realistic Downhole Dynamics to Improve Reliability of Liner Top Packers Jeff Williams, Baker Hughes: a GE Company Berkshire III & IV, 1:15 PM Designing reliable well completion tools in the energy industry is a formidable task. Like many industries, there are properly defined verification and validation techniques for every functional operation of the well. When rigorously followed, the end user of the products can have the confidence to know that the uncertainties have been mitigated. Recently, we underwent this design verification and validation for the next generation Liner Hanger Packer. Upon development, we wanted to know how our industry accepted testing methods matched up to downhole dynamics. Abaqus FEA was an essential tool in this investigation. Using Abaqus, two major dynamics were studied: predictive dynamic tool activation (i.e. shear activation) and full drill pipe dynamic effects on the Liner Top Packer. In the end, we were able to be assured that our products are more reliable and robust for these real world conditions. Bio: Jeff Williams received a BSME and MSME from Oklahoma State University and has been employed with Baker Hughes for 22 years in New Product Development where he currently holds the position of Team Leader for Mechanical Engineering Wellbore Construction. Across his career he has worked with Open Hole, Cementing, Cased Hole, Expandables, Safety Systems, Wellbore Construction, Workover and Fishing Tools across career. The last 10 years he has emphasized bringing simulation optimization techniques to NPD to accelerate time to market and maximize reliability. He has had 15 patents granted and has presented numerous papers. Jeff is most proud of the cover feature in

7 SIMULIA Realistic Simulation News (now SIMULIA Community News), the ISIGHT Brochure, and a 2015 SIMULIA story featuring latest gains with optimizing our Product Development time cycle. Electro-Magnetic Forum - Overview of CST Technology and Applications David Johns, Dassault Systèmes Berkshire I & II, 1:45 PM Abstract and bio available soon Abaqus/CAE Update Mike Shubert, Dassault Systèmes Berkshire III & IV, 1:45 PM Usability improvements to Abaqus/CAE in the new Abaqus 2018 version are discussed. Bio: Mike Shubert has worked for SIMULIA for 27 years. Early in his career he worked in the development Explicit and Abaqus/CAE at the SIMULIA headquarters in Rhode Island. The last 12 years he has spent at the Texas office developing applications such as the Wound Composite Modeler, the Abaqus Welding Interface, and the PCB Modeler. Assessment of Axial Load-Bearing Capacity of a Retrievable Bridge Plug using Computational Methods Feng Gao (Presenter), Damon Nettles, Kedar M Deshpande, Gary Ingram, Weatherford Berkshire I & II, 3:00 PM It is frequently necessary to isolate specific zones of a wellbore, and this can be achieved using a retrievable bridge plug (RBP). Bridge plugs typically have a sealing element which creates a pressure barrier and an anchoring mechanism that engages the casing wall to secure the RBP in the wellbore. The anchoring system usually consists of a slip and cone arrangement that bites into the casing. To ensure successful RBP functionality, it is vital to understand the load capacity of the anchoring system. This work examines the load-bearing capacity of the RBP slip-cone-casing system using the ABAQUS explicit solver. Finite element analysis (FEA) simulations may be used to determine RBP load-bearing capacity. FEA simulation was conducted in two steps: (1) the slips are moved into the set position; and (2) subsequent application of an axial load. To evaluate the axial load capacity of the RBP s slip-cone-casing system, the following aspects are explored: radial deflection of the cone and contact between the cone and the RBP body OD, indentation depth of the slip teeth in the casing ID, radial deflection of the casing, as well as the stress and plastic strain (or yielding behavior) of the casing. Good agreement was obtained between the FEA results and laboratory test data, indicating the numerical setup is correct. The FEA methodology has been successfully applied to different RBP configurations, providing useful insights into the load-bearing capacity as well as the component behavior under prescribed loading conditions. Bio available soon The Expanding Scope of Simulation with Standalone Products Sreeparna Sengupta, Dassault Systèmes Berkshire III & IV, 3:00 PM This presentation highlights applications of our traditional products including Abaqus, fe-safe, Tosca, Isight, Simpack and XFlow to demonstrate the value of SIMULIA s broad range of simulation technologies. The structures domain continues to be a core focus for SIMULIA, but the availability of multibody simulation, optimization and design space exploration provides users with significant additional simulation capability. Utilizing these combined technologies allows simulation teams to provide enhanced contributions to the product development process. This presentation will also highlight specific technology enhancements relevant to these workflows. Bio: Sreeparna Sengupta received her Bachelor s degree in Civil Engineering from Jadavpur University, India and her MS and PhD degrees in Computational Mechanics from the University of Buffalo SUNY and Vanderbilt University respectively. She joined SIMULIA in As the Services Manager in SIMULIA South, she works primarily with customers on consulting and training; while remaining technically engaged in the areas of support and pre-sales demos. A Fatigue Analysis of Subsea Cladded Vessel using fe-safe Arindam Chakraborty (Presenter), VIAS & Dr. Kumarswamy Karpanan, TechnipFMC Berkshire I & II, 3:30 PM High pressure High temperature (HPHT) equipment for subsea applications are designed to operate above 15 ksi (103 MPa) internal pressure and 350 F, are cladded with corrosion resistant alloy such as Alloy 625. This equipment experiences severe working conditions in the field, plus cyclic loading during operations. Per API 17TR8 guidelines, all HPHT equipment be hydrostatically tested to 1.5 times the equipment rated working pressure (RWP). For 20 ksi (138 MPa) equipment, the hydrostatic test pressure is 30 ksi (207 MPa), and this high pressure can significantly deform any highly localized stressed regions. These highly stressed regions deform plastically when test pressure is applied and when the pressure is bled, these regions experience high compressive stresses due to surrounding materials that are still elastic. This paper presents the elastic plastic fatigue analysis using Simulia Power of Portfolio Solutions Abaqus and fe-safe of a simplified HPHT cladded body for cyclic loading (pressure cycles only). Stress based (ASME Sec VIII Div-3) and strain based, Brown-Miller with Morrow mean

8 stress correction methods are used. In these analysis, first the residual stress from the cladding process is simulated, and then the hydrotest is simulated on the cladded component. During the hydrostatic test, fatigue sensitive regions (FSRs) or highly localized stressed regions deform plastically, and the initial weld tensile residual stress turns to compressive. Later, when these components are subjected to working pressure cycles, the shear stress/strain range remains the same but the mean stress on the FSR reduces significantly. By considering the effect of residual stress field on the mean stress, the fatigue life of a cladded subsea component is predicted with a good accuracy. Bio: Dr. Chakraborty is a Mechanical Engineer with more than ten years of strong academic and consulting experience in computational mechanics and design, non-linear FEA, fatigue and fracture mechanics, reliability analysis, optimization. He is currently the VP of Advanced Engineering at Virtual Integrated Analytics Solutions (VIAS). His rich consulting experience includes industries such as Oil & Gas, Nuclear, biomedical, aerospace, materials and manufacturing. He has strong background in technology development with a focus on public safety regulations (BSEE, NRC). Dr. Chakraborty is also deeply involved with application of numerical simulation based techniques to realistically capture non-linear material behavior of both metals (including shape memory alloys) and plastics. He has experience in FEA pre-post and solvers such as Abaqus. As a certified instructor, Dr. Chakraborty teaches Abaqus courses in Fracture and Failure, Scripting, Fitness-for-Service, Metal Inelasticity. He has more than twenty five conference and journal publications and is an Instructor at The University of Houston, Subsea Engineering Program teaching a course in Computational Methods in Engineering. Enhancements to the Abaqus Welding Interface Mike Shubert, Dassault Systèmes Berkshire III & IV, 3:30 PM A major rewrite of the Abaqus Welding Interface has been performed to implement an energy-based approach to welding simulations. New enhancements to the Abaqus solver are used to more efficiently activate elements and determine evolving film and radiation surfaces. Bio: Mike Shubert has worked for SIMULIA for 27 years. Early in his career he worked in the development Explicit and Abaqus/CAE at the SIMULIA headquarters in Rhode Island. The last 12 years he has spent at the Texas office developing applications such as the Wound Composite Modeler, the Abaqus Welding Interface, and the PCB Modeler. Assessment of Ductile Tearing Instability in a wellhead Desander with embedded flaw Sam Lee, TechnipFMC Berkshire I & II, 4:00 PM Stable ductile tearing is a function of the fracture resistance curve for the material and the crack force. The fracture toughness of ductile materials exhibits an apparent increase as a crack extends. This is represented by a tearing-resistance (J-R curve), which relates fracture toughness to crack tearing. Unstable crack growth occurs when the applied crack driving force always exceeds the material toughness. The ductile tearing analysis, which takes advantage of the full J-R resistance curve and more toughness than using a single J IC value, can be performed with the Failure Assessment Diagram (FAD) method (API 579-1/ASME FFS-1, level 3 method D assessment). When the toughness is given in terms of resistance curve, the data is plotted as a locus of assessment points on the FAD. If all assessment points lie inside the FAD, no crack growth occurs. If all the assessment points fall outside the FAD, there will be ductile instability. However, this assessment is more complex and cumbersome. The J-integral Tearing modulus approach as mentioned in API 579-1/ASME FFS-1 is recommended but only a few literatures cover the details and how to apply. A Wellhead DeSander (uses cyclonic forces to separate and remove heavier particles such as sand) body geometry with internal surface crack is used as an example to examine the analysis details. Elastic plastic finite element analysis (FEA) of 3D crack mesh is performed with an increasing load to compute J-integral value and determine the tearing stability point. The critical crack size is computed for a cracked geometry for ductile tearing instability assessment. The level 3 method C FAD assessment in API 579, which involves elastic-plastic finite element analysis, is also carried out and compared. When the J-R curve is available for the material, a ductile tearing assessment would usually give you a larger critical crack size compared with conservative J IC value which is based on 0.2mm offset line intersection. The results from this method would justify reducing or delaying inspections and could allow for a longer service life in cyclic fatigue before repair or replacement is required. Bio: Sam Lee is currently a Lead Engineering Specialist for structural group at TechnipFMC. He works at Technology and R&D division in Houston, Texas. He is responsible for fracture mechanics and fatigue analysis on equipment, experience with focus in structural stress analysis and design optimization of subsea and surface equipment. He works on the metallic and elastomer seal solutions for HPHT projects. Sam received his PhD of Mechanical Engineering and worked as Post-Doc in smart material technology. He is a registered professional engineer in Texas. M2M remeshing plugin: Automatic mesh-to-mesh solution mapping in 2D Fernando Dri, Dassault Systèmes Berkshire III & IV, 4:00 PM Severe mesh distortion may occur in analysis involving large strains, especially when modeling manufacturing processes where the initial and final shapes are radically different. Deformations may become so large that a single mesh cannot be effective for the duration of the simulation. Mesh replacement, or rezoning, is a technique used to control element distortion by redefining the mesh in the current deformed configuration, transferring results from the old mesh to the new mesh and continuing the analysis.

9 Rezoning is partially supported in Abaqus/Standard, but the lack of support in Abaqus/CAE has limited its applicability. The M2M remeshing plugin is a tool developed by the SIMULIA US South office to fill this gap. It provides a complete framework to pre-process, analyze and postprocess, two-dimensional models requiring mesh-to-mesh solution mapping. M2M remeshing plugin: simplified representation of the remeshing workflow Bio: Fernando is a passionate engineer with 10 years of experience using Abaqus. He joined SIMULIA at the beginning of 2014 after completing his PhD on material modeling from Purdue University. His work has been focused on bird strike simulations, Abaqus customization through Python scripting and he produced the materials for the new Introduction to Abaqus class. Evolution of NuStep Exercise Machine Sickle Design Utilizing Tosca Optimization and Additive Manufacturing Rob Hurlston, CAElynx Presenting for NuStep Berkshire I & II, 4:30 PM NuStep is a manufacturer of high-end exercise equipment for use in physical therapy and rehabilitation. The equipment design is challenging because it must be multifunctional, space efficient and cost competitive. The subject of this case study was a combined stepper and leg-press machine in which a key component is required to oscillate in stepper mode and also withstand a 1,000lb leg-press. The challenge of this component design is striking the optimum balance between inertial feel and load bearing capability. Traditionally, the design (or redesign) of a sickle component like this would demand costly and time consuming parametric type optimization until the required criteria were met. However, utilizing state-of-the-art optimization and additive manufacturing processes, an optimal design was found within a matter of days. Tosca, in conjunction with Abaqus, was used to develop a number of studies in which various combinations of design constraints and targets were examined. The targets for both rotational inertia and deflection criteria were either met or exceeded. The combined results of these topology optimizations were then mastered into manufacturable CAD and provided to the customer. Prior to full production, NuStep created sand casts via additive manufacturing such that prototype testing could be carried out. Further, CAElynx is working on next level sickle designs that could take full advantage of metal additive manufacturing for low volume production. Bio: Rob joined CAElynx in 2015 after having moved to the US from his native England a couple of years earlier. Rob has a strong background in Materials, with a specialism in Metallurgy and Structural Integrity Engineering. His industrially based doctorate and subsequent post-docs in Nuclear Materials Engineering saw him accumulate over a decade of real-world experience in collaboration with Serco, the University of Manchester (UK) and their partners. These included key players in the European nuclear industry such as Amec, Rolls-Royce, EDF and Fraser Nash as well as a host of partner universities. Rob has presented much of his work at a number of prestigious international conferences and has also published several journal papers. As a Project Engineer at CAElynx, Rob has worked, and taken lead, on a diverse array of projects across a range of industries. This has allowed him to sharpen his analytical proficiency, particularly in the fields of linear and non-linear stress analysis, dynamics, heat transfer analysis and optimization. Rob holds a 1st class Master s degree in Materials Science and Engineering and a Post Graduate Diploma in Enterprise Management along with his doctorate, all of which were completed at the University of Manchester. Phase Transformation Modeling for Manufacturing Simulations Tom Wilt, Dassault Systèmes Berkshire III & IV, 4:30 PM A thermomechanical phase transformation model that accounts for microstructural changes that occur during manufacturing processes, such as welding and metal forming, is currently under development. Details and features of this phase transformation model for use in Abaqus/Standard and Abaqus/Explicit will be discussed. Qualitative results in terms of phase volume fractions, grain size, and hardness distributions for a welding and a pipe forming simulation will be presented. Bio available soon

10 SIMULIA South 2017 Regional User Meeting Wyndham West Houston-Energy Corridor Conference Center SIMULIA South Region 2018 Training Schedule Q1 Start Date End Date Course Name Location 31-Jan Feb-18 Introduction to Abaqus/CAE Houston, Texas 14-Feb Feb-18 Abaqus/CAE Geometry Import and Meshing Houston, Texas 05-Mar Mar-18 Introduction to Abaqus Houston, Texas 28-Mar Mar-18 Introduction to Abaqus Scripting Houston, Texas We will also add additional courses for Q2, Q3 and Q4. For course descriptions and to register, visit this website. If there are any classes you would like to see added to the public schedule, or if you would like to discuss private training opportunities, please send an to or

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