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发布者: 出处: 日期:2012/2/28 阅读:841 推荐:0 点评:0

Marc is a powerful, general-purpose, nonlinear finite element analysis solution to accurately simulatethe response of your products under static, dynamic and multi-physics loading scenarios. Marc'sversatility in modeling nonlinear material behaviors and transient environmental conditions makesit ideal to solve your complex design problems. With its innovative technologies and modelingmethodologies, Marc enables you to simulate complex real world behavior of mechanical systemsmaking it best suited to address your manufacturing and design problems in a single environment.With the solution schemes that are smarter and designed to provide the performance that you need bytaking full advantage of your hardware combined with an easy to use modeling solution, you can trulydiscover and explore nature's inherent nonlinearities. Whether your problems involve large deformationand strains, nonlinear materials, complex contact or interaction between multiple physics, you havereached the end of your search and with Marc, you can now focus on your improving your designs.
New User InterfaceEasy to Use, Integrated User InterfaceMarc's integrated user interface is designed to enable even the novice users to set up and solve complexnonlinear problems in a short time. Users can go from a CAD file to a complete FEA model and post-processing of results in a single integrated environment.
Segment to Segment Contact AnalysisContact Analysis for Realistic Assembly AnalysisSmart contact algorithms and modeling procedures implemented in Marc provide you with the accuracy you need while saving you the hassles of model setup that are generally associated with contact analyses. The segment-to-segment approach provides you with an even better way of contact modeling by overcoming traditional limitations of master segment-slave node approach. Taking friction and friction generated heating is also quite easy with Marc, enabling you to focus on capturing accurate physics.
Extensive Library ofMetallic and Non-metallic Material ModelsNonlinear Material Models for Accurate ResultsWhether you are designing with glass, rubber, steel, or concrete, Marc offers an extensive library ofmetallic and non-metallic material models, along with a library of nearly 200 elements for structural,thermal, multiphysics and fluid analysis. Elastomeric materials can be represented with popularmaterial laws including Generalized Mooney-Rivlin, Boyce-Arruda, and Ogden using built-in curve fittingcapability that computes coefficients from stress/strain data. Multiple models are also provided forplastic behavior, and specialized element types automatically address numerical issues like hour-glassingto get converged, accurate solutions to large strain problems. Customizable engineering materials likecomposites, powder materials and shape memory alloys can also be modeled and analyzed using Marcenabling you test your new materials prior to their implementation in new designs.
Marc Automatically Remeshesto Ensure an Accurate Solution.Adaptive Meshing for Improved ConvergenceWhen large strain distorts elements, or changing contact conditions make a finite element meshinappropriate to capture true contact with other components or bodies, Marc automatically remesheswithin time steps of the solution to ensure that the solution converges on an accurate solution.Some of the most difficult nonlinear problems have been successfully solved with Marc and adaptivemeshing, including oil packer seals, wire crimping, and elastomeric seals. This automatic approach savesconsiderable time spent on mesh manipulations to achieve a solution.
Marc can be used to Couple Structures, Thermal, Fluid,Magnetostatics, Electrostatics and Electromagnetics.Multiphysics for More Reality, Less ApproximationIncreased reliance on simulation in design and development necessitates consideration of all theapplicable physics to ensure accuracy of the model. While single physics models have long been used totackle these problems, the disconnected manner the various physics are handled could lead to errorsin response prediction and thus lead to inefficient designs. Often, influence of non-structural physicsphenomena on structural behavior is required. Heating of an electric wire and its influence on adjacentstructure's deformation, microelectronic mechanical systems (MEMS) are just a few examples where thecoupling comes into play.The multiphysics capabilities of Marc, when used with its superior nonlinear structural analysiscapabilities, provide more accurate results leading to better and improved designs of your structuralsystems. Marc can be used to couple structures, thermal, fluid (laminar, small deformation),magnetostatics, electrostatics, and electromagnetics. The coupling capabilities are also highly useful inaccuracy of manufacturing simulations like welding, curing, and forming.
Parallel Processing for Accelerated Product DesignParallel systems and multi-core systems are quite common these days. Long before they have becomecommon-place, Marc's researchers invested time and resources in parallelizing Marc. Marc's parallelanalysis capabilities have been available for nearly 15 years and are field tested quite extensively.While most solvers focus on parallelizing only one aspect of solution (namely, matrix solution), Marcparallelizes all the steps of analysis (assembly, matrix solution and stress recovery). This enables you toget more out of your hardware.Failure Analysis for Reduced Warranty CostsOne of the most challenging tasks of design and development process is prediction of failure. Withoutknowledge of how a structure might fail, it is harder to improve its safety performance. Physical testingfor all possible failure scenarios can be cost prohibitive. Marc provides a comprehensive list of failuremodels suited for several material classes, including ductile, brittle, composites, elastomers, andconcrete. Crack propagation capability enables engineers to better grasp the failure mechanisms anddevice appropriate methods to avoid catastrophic failures.Manufacturing Analysis for Material SavingsSuccess in simulation of a manufacturing process is governed by a product's strength in nonlinearanalysis capabilities and multiphysics, especially thermal-structural coupling. Marc's superior nonlinearsolution aided by its ease and robustness of contact and automatic remeshing make it an ideal solutionfor simulating manufacturing processes like various forming operations, forging, welding, quenching andcuring.Integrated pre/post-Processing for Ease of UseThe integrated user interface of Marc is designed for nonlinear analysis, and hence provides the toolsand utilities that enhance user experience. From CAD import to post-processing, menus and formsare created to provide ease of use to the users. Special tools for meshing, result mapping, and resultextraction and interpolation also help improve user productivity.As part of our commitment to quality, the Marc Software Quality Assurance Program complies withthe applicable portions of Title 10, Code of Federal Regulations Part 50, Appendix B, Quality AssuranceCriteria for Nuclear Power Plants and Title 10, Code of Federal Regulations, Part 21, Reporting of SafetyRelated Defects and Non-Compliances. (seeStatement of Quality Assurance Policy)

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