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Marc and Mentat Release Guide Marc and Mentat Release Guide Marc® and Mentat® 2020 Release Guide Corporate Europe, Middle East, Africa MSC Software Corporation MSC Software GmbH 4675 MacArthur Court, Suite 900 Am Moosfeld 13 Newport Beach, CA 92660 81829 Munich, Germany Telephone: (714) 540-8900 Telephone: (49) 89 431 98 70 Toll Free Number: 1 855 672 7638 Email: [email protected] Email: [email protected] Japan Asia-Pacific MSC Software Japan Ltd. MSC Software (S) Pte. Ltd. Shinjuku First West 8F 100 Beach Road 23-7 Nishi Shinjuku #16-05 Shaw Tower 1-Chome, Shinjuku-Ku Singapore 189702 Tokyo 160-0023, JAPAN Telephone: 65-6272-0082 Telephone: (81) (3)-6911-1200 Email: [email protected] Email: [email protected] Worldwide Web www.mscsoftware.com Support http://www.mscsoftware.com/Contents/Services/Technical-Support/Contact-Technical-Support.aspx Disclaimer User Documentation: Copyright 2020 MSC Software Corporation. All Rights Reserved. This document, and the software described in it, are furnished under license and may be used or copied only in accordance with the terms of such license. Any reproduction or distribution of this document, in whole or in part, without the prior written authorization of MSC Software Corporation is strictly prohibited. MSC Software Corporation reserves the right to make changes in specifications and other information contained in this document without prior notice. The concepts, methods, and examples presented in this document are for illustrative and educational purposes only and are not intended to be exhaustive or to apply to any particular engineering problem or design. THIS DOCUMENT IS PROVIDED ON AN “AS-IS” BASIS AND ALL EXPRESS AND IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID. MSC Software logo, MSC, MSC Nastran, Adams, Dytran, Marc, Mentat, and Patran are trademarks or registered trademarks of MSC Software Corporation or its subsidiaries in the United States and/or other countries. NASTRAN is a registered trademark of NASA. Python is a trademark of the Python Software Foundation. Parasolid is a registered trademark of Siemens Product Lifecycle Management Software, Inc. All other trademarks are the property of their respective owners. This software may contain certain third-party software that is protected by copyright and licensed from MSC Software suppliers. Additional terms and conditions and/or notices may apply for certain third party software. Such additional third party software terms and conditions and/or notices may be set forth in documentation and/or at http://web.mscsoftware.com/thirdpartysoftware (or successor website designated by MSC from time to time). The MSC Software Logo, MSC, MSC Nastran, Marc, Patran, Dytran, and Laminate Modeler are trademarks or registered trademarks of MSC Software Corporation in the United States and/or other countries. Hexagon and the Hexagon logo are trademarks or registered trademarks of Hexagon AB and/or its subsidiaries. METIS is copyrighted by the regents of the University of Minnesota. MS MPI is developed by Microsoft Corporation. PCGLSS 8.0, Copyright 1992-2018 Computational Applications and System Integration Inc. All rights reserved. Portions of this software are owned by Siemens Product Lifecycle Management Software, Inc. Copyright 2020. Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth in FAR 12.212 (Commercial Computer Software) and DFARS 227.7202 (Commercial Computer Software and Commercial Computer Software Documentation), as applicable. U.S. Patent 9,361,413 MA:V2020:Z:Z:Z:DC-REL-PDF Documentation Feedback At MSC Software, we strive to produce the highest quality documentation and welcome your feedback. If you have comments or suggestions about our documentation, write to us at: documentation- [email protected]. Please include the following information with your feedback: Document name Release/Version number Chapter/Section name Topic title (for Online Help) Brief description of the content (for example, incomplete/incorrect information, grammatical errors, information that requires clarification or more details and so on). Your suggestions for correcting/improving documentation You may also provide your feedback about MSC Software documentation by taking a short 5-minute survey at: http://msc-documentation.questionpro.com. Note: The above mentioned e-mail address is only for providing documentation specific feedback. If you have any technical problems, issues, or queries, please contact Technical Support. CONTENTS Marc and Mentat Release Guide Contents Table of Contents 1 Overview Introduction, 2 Overview of New Functionality, 2 List of Known Defects in the 2020 Release, 3 Marc, 3 Mentat, 4 List of Fixed Defects in the 2020 Release, 8 Marc, 8 Mentat, 14 List of Build and Supported Platforms - Marc 2020 Beta Release, 17 Marc Platforms, 17 Mentat Platforms, 17 Mentat Graphics Card Support, 17 Peripheral Devices, 19 Security Notes, 20 Chapter 1: Overview 1 Overview Introduction 2 Overview of New Functionality 2 List of Known Defects in the 2020 Release 3 List of Fixed Defects in the 2020 Release 8 List of Build and Supported Platforms - Marc 2020 Release 17 Security Notes 20 2 Marc and Mentat Release Guide 2020 Introduction Introduction The Marc 2020 release contains new and enhanced solver and GUI capabilities for both specific work flows and general- purpose applications. In particular, this release includes enhancements to work flows involving induction heating and creep, while also delivering improvements to efficiency, performance, ease-of-use, robustness and accuracy across the majority of general-purpose work flows. Marc 2020 is the first Marc release supporting fatigue analyses for elastomeric materials. The Marc 2020 release also contains defect corrections associated with previous releases. Marc 2020 uses a different compiler version as Marc 2019 Feature Pack 1. See List of Build and Supported Platforms - Marc 2020 Release for more details. Marc 2020 requires the “Helium” release of MSC Licensing which uses FLEXlm 11.16.3.0. Please refer to the Marc and Mentat: Installation and Operations Guide for more details. Overview of New Functionality The new functionality in Marc 2020 includes: New and Expanded Work Flows • Significant improvement to creep simulations by enabling Material Data Fitting of creep data. • Expanded definition of E-M induction coils to include arbitrary shapes. • Improved convergence of thick walled coils. • Marc Co-Sim Adapter Compatibility with version 2020. • Fatigue analysis for elastomers. Smarter Solve • Interactive Analysis Statistics Report improves the model verification and debugging process. • Improvements to contact robustness and efficiency. • GPU Support for matrix operations to improve the performance of the iterative solver (Solver 2). Smarter Simulation Environment • Improvements to the process of creating and modifying Mentat Tables. • Ease of use improvements for model set up in Mentat by the introduction of the Model Dimension, which can be 3-D, axi-symmetric or planar. This allows for a consistent DOF identification in planar and 3-D models, and depending on the Model Dimension, display of only the relevant model options and parameters in various menus. • The default structural formulation has been changed to the nonlinear large strain formulation. • More intuitive default naming of copied entities. • Ease of use improvement for selecting plotted increment. • Improved performance of results monitoring during post processing. • Flexibility in defining quad sheet bodies and more accurate and easy to control rendering of solid bodies More details can be found in the User's Guide in the chapter called What's New, along with examples to guide the user in applying the new functionality. Marc and Mentat Release Guide 2020 3 List of Known Defects in the 2020 Release List of Known Defects in the 2020 Release Marc Contact MARC-7984 When using node-to-segment contact in a coupled Thermal/Structural analysis, if a node contacts both a surface with glued contact and a surface with touching contact, then there is incorrect heat transfer on the touching face. MARC-13581 A beam-to-beam contact analysis using the node-to-segment algorithm may fail if nodal transformations are used. MARC-12637 Selecting the Near Contact Distance post code may significantly increase the stress recovery time. Global Remeshing MARC-7978 Hard nodes in the interior of the mesh are not available when using Global Adaptive Meshing in 2-D, hence if a boundary condition such as a Point Load, Fixed Displacement is applied to a point, then after remeshing, it will be applied to the node of the new mesh with the same ID as the node from the original mesh that is attached to the point, but this node may be in a different location. Multi-Physics MARC-12101 The options INITIAL STATE and POINT TEMP cannot be used in the same analysis, even if INITIAL STATE is not referring to the first state variable (temperate). MARC-13682 Though thick-wire coils are only supported in magnetodynamic analyses, neither Marc nor Mentat issues any warning or error message if they are used in a magnetostic analysis. Parallel Processing MARC-12227 In rare cases, a Node-to-Segment DDM contact analysis using the RBE2 option may stop prematurely with exit number 1004. MARC-8690 If
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