[{"data":1,"prerenderedAt":106},["ShallowReactive",2],{"CIgkOOMCSFFF2-IB_i-FzsQYcuBRvcgjMfiiuTQgK9M":3,"_apollo:default":104,"_apollo:identified":105},{"seo":4,"posts":15},{"social":5,"openGraph":11,"__typename":14},{"twitter":6,"__typename":10},{"cardType":7,"username":8,"__typename":9},"summary_large_image","dassault3ds","SEOSocialTwitter","SEOSocial",{"defaultImage":12,"__typename":13},null,"SEOOpenGraph","SEOConfig",{"nodes":16,"__typename":103},[17],{"id":18,"slug":19,"title":20,"uri":21,"excerpt":22,"locale":23,"featuredImage":26,"tableOfContents":34,"content":39,"date":40,"translations":41,"author":42,"tags":55,"globalTags":69,"brands":77,"keywords":88,"seo":91,"__typename":102},"cG9zdDozMDU5NjY=","simplify-vehicle-development-modular-modsim","Simplify Complex Vehicle Development With Modular MODSIM","\u002Fbrands\u002Fsimulia\u002Fsimplify-vehicle-development-modular-modsim","\u003Cp>Learn how the Modular MODSIM method automates simulation workflows, reduces repetitive tasks and accelerates design validation in the T&M industry.\u003C\u002Fp>\n",{"locale":24,"__typename":25},"en_US","Locale",{"node":27,"__typename":33},{"large":28,"__typename":29,"medium_large":28,"thumbnail":30,"srcSet":31,"sizes":32},"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F08\u002Fsimulia-tm-modsim-580x366-1.jpg","MediaItem","https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F08\u002Fsimulia-tm-modsim-580x366-1-150x150.jpg","https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F08\u002Fsimulia-tm-modsim-580x366-1-300x189.jpg 300w, https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F08\u002Fsimulia-tm-modsim-580x366-1.jpg 580w","(max-width: 300px) 100vw, 300px","NodeWithFeaturedImageToMediaItemConnectionEdge",[35,36,37,38],"Overcoming Primary Challenges in Vehicle Development|overcoming-primary-challenges-in-vehicle-development-0","Understanding the Modular MODSIM Framework|understanding-the-modular-modsim-framework-1","Process Examples in Vehicle Validation|process-examples-in-vehicle-validation-2","Driving Value With Automation and Traceability|driving-value-with-automation-and-traceability-3","\n\u003Cp>Dynamic markets place extreme pressure on carmakers. Electrification and self-driving technology are rapidly reshaping driver expectations. You must deliver complex, innovative models to market faster than ever. Simulation sits at the heart of modern vehicle development. Without testing virtual models of your designs, you cannot get new vehicles to market on time.\u003C\u002Fp>\n\n\n\n\u003Cp>However, how you implement the simulation affects its value. We are presenting the Modular \u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002Fproducts\u002Fsimulia\u002Fmodsim\">MODSIM\u003C\u002Fa> method to help you automate workflows, reduce repetitive tasks and enhance collaboration. This post explains the challenges of traditional simulation, details the Modular MODSIM structure and provides practical examples of its application in the transportation and mobility industry.\u003C\u002Fp>\n\n\n\n\u003Ch2 class=\"wp-block-heading\" id=\"overcoming-primary-challenges-in-vehicle-development-0\">\u003Cstrong>Overcoming Primary Challenges in Vehicle Development\u003C\u002Fstrong>\u003C\u002Fh2>\n\n\n\n\u003Cp>Automotive engineering teams face three main hurdles:\u003C\u002Fp>\n\n\n\n\u003Cul class=\"wp-block-list\">\n\u003Cli>Siloed data limits reuse and traceability\u003C\u002Fli>\n\n\n\n\u003Cli>Limited access to simulation expertise causes bottlenecks\u003C\u002Fli>\n\n\n\n\u003Cli>Repetitive analysis tasks consume time and resources\u003C\u002Fli>\n\u003C\u002Ful>\n\n\n\n\u003Cp>Vehicles require teams that often work independently. Their engineering data is scattered across different systems. This isolation makes it difficult for each team to reuse knowledge, trace design changes or see how their parts relate to the entire car.\u003C\u002Fp>\n\n\n\n\u003Cp>Designers do not always have the expertise to set up their own simulations and determine the right performance parameters. They wait for a simulation expert to do it. Since designers frequently outnumber simulation analysts by ten to one, this creates bottlenecks that slow down the development cycle.\u003C\u002Fp>\n\n\n\n\u003Cp>Even with accessible tools, creating new setups for every design iteration remains a monotonous process. Restoring broken links between models, meshes and scenarios takes hundreds of manual clicks. Engineers commonly rely on scripts to fix these links. However, scripts require expertise, demand ongoing maintenance and consume valuable time.\u003C\u002Fp>\n\n\n\n\u003Ch2 class=\"wp-block-heading\" id=\"understanding-the-modular-modsim-framework-1\">\u003Cstrong>Understanding the Modular MODSIM Framework\u003C\u002Fstrong>\u003C\u002Fh2>\n\n\n\n\u003Cp>Many automakers adopt a unified modeling and simulation \u003Cins>(\u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002Finsights\u002Fmodeling-and-simulation\">MODSIM\u003C\u002Fa>)\u003C\u002Fins> approach on the \u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002F3dexperience-platform\">\u003Cstrong>3D\u003C\u002Fstrong>EXPERIENCE platform\u003C\u002Fa>. This method democratizes product validation by creating a continuous engineering loop that remains accessible, reusable and traceable. Updating simulations for every design change can still consume time. The Modular MODSIM method solves this problem. It provides a robust way to automate complex simulations without additional scripting.\u003C\u002Fp>\n\n\n\n\u003Cp>Segregating different parts of a model into distinct containers forms the cornerstone of this method. A module contains the design geometry, abstractions and mesh as separate entities. You define simulation properties on this module assembly. Publications maintain the links between the mesh, model and simulation scenario.\u003C\u002Fp>\n\n\n\n\u003Cp>The Modular Template consists of:\u003C\u002Fp>\n\n\n\n\u003Cul class=\"wp-block-list\">\n\u003Cli>The module structure\u003C\u002Fli>\n\n\n\n\u003Cli>Abstractions\u003C\u002Fli>\n\n\n\n\u003Cli>Mesh\u003C\u002Fli>\n\n\n\n\u003Cli>Publications\u003C\u002Fli>\n\u003C\u002Ful>\n\n\n\n\u003Cp>This template ensures you can update, revise or replace design geometry without breaking essential links. The meshing is carried out with the Automated FEM function, which is unique to the \u003Cstrong>3D\u003C\u002Fstrong>EXPERIENCE Platform. This function allows you to define rules that automatically mesh the design geometry. It prevents broken links even if the product structure changes.\u003C\u002Fp>\n\n\n\n\u003Cp>The Rules Assistant tool helps you interactively publish parts after inserting geometry into the modular template. It handles broken links caused by unexpected changes in topology as your design evolves.\u003C\u002Fp>\n\n\n\n\u003Ch2 class=\"wp-block-heading\" id=\"process-examples-in-vehicle-validation-2\">\u003Cstrong>Process Examples in Vehicle Validation\u003C\u002Fstrong>\u003C\u002Fh2>\n\n\n\n\u003Ch3 class=\"wp-block-heading\" id=\"h-wheel-curb-impact-analysis\">\u003Cstrong>Wheel Curb Impact Analysis\u003C\u002Fstrong>\u003C\u002Fh3>\n\n\n\n\u003Cp>Suppose your department builds a template to analyze the structural strength of wheel rims against curb impacts. You start by creating a simulation object containing the design model and the analysis stiffness setup. The Modular MODSIM method uses a specific product structure. A module product encapsulates the design product and its publications.\u003C\u002Fp>\n\n\n\n\u003Cfigure class=\"wp-block-image size-full\">\u003Cimg loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"230\" src=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_1.png\" alt=\"\" class=\"wp-image-314423\" srcset=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_1.png 576w, https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_1-300x120.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \u002F>\u003C\u002Ffigure>\n\n\n\n\u003Cp>\u003Cbr>You create contact surfaces on the rim to define a local contact region between the rim and an impactor. You embed common CAD operations in the module assembly, so these contact surfaces are created automatically for any wheel design. Once you run the analysis and verify the results, you delete the design model from the structure. The remaining simulation object becomes your Modular MODSIM template. You can now simulate new wheel designs instantly with this template. The Rules Assistant automatically finds and reconnects publications if the new wheel has multiple parts or different topologies.\u003C\u002Fp>\n\n\n\n\u003Ch3 class=\"wp-block-heading\">\u003Cstrong>Brake Disc Verification\u003C\u002Fstrong>\u003C\u002Fh3>\n\n\n\n\u003Cp>A designer creates a brake disc using standard tools on the platform. They test the design using a combination of manual setups and Modular MODSIM templates. To test structural performance under braking torque, the designer reuses an existing setup from a previous disc.\u003Cins>\u003C\u002Fins>\u003C\u002Fp>\n\n\n\n\u003Cfigure class=\"wp-block-image size-full\">\u003Cimg loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"198\" src=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_2.png\" alt=\"\" class=\"wp-image-314424\" srcset=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_2.png 576w, https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_2-300x103.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \u002F>\u003C\u002Ffigure>\n\n\n\n\u003Cp>\u003Cbr>The designer publishes the required features, replaces the old design with the new one and updates the simulation. The system automatically creates the mesh, abstractions and boundary conditions based on user-defined publications.\u003C\u002Fp>\n\n\n\n\u003Cp>You can also use this template-reuse methodology to automate computational fluid dynamics analysis of brake disc cooling. The template creates the fluid region and moving reference frames needed to simulate thermal performance.\u003C\u002Fp>\n\n\n\n\u003Cp>For a complex brake squeal study, you simulate the brake disc design with a suspension system. You split the disc and the suspension system into two modules. A brake squeal analysis template consumes elements from each subsystem. You can analyze multiple combinations of brake discs and suspension systems without rework.\u003C\u002Fp>\n\n\n\n\u003Ch3 class=\"wp-block-heading\">\u003Cstrong>Battery Frame Impact Analysis\u003C\u002Fstrong>\u003C\u002Fh3>\n\n\n\n\u003Cp>We tested a simplified battery frame impact analysis to assess the method’s automation potential. The frame consists of four beams and two plates impacted by a cylindrical impactor. We created an updated version of this frame with parametric, geometric, topological and assembly changes. We even added an extra impactor to the test.\u003Cins>\u003C\u002Fins>\u003C\u002Fp>\n\n\n\n\u003Cfigure class=\"wp-block-image size-full\">\u003Cimg loading=\"lazy\" decoding=\"async\" width=\"511\" height=\"232\" src=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_3.png\" alt=\"\" class=\"wp-image-314425\" srcset=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_3.png 511w, https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fmod_mod_3-300x136.png 300w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \u002F>\u003C\u002Ffigure>\n\n\n\n\u003Cp>\u003Cbr>We measured the user actions required to repair the simulation setup during the replacement of the old design. Standard templatization required 41 distinct actions to fix broken links, recreate meshes and update scenarios. Switching to the Modular MODSIM method dropped the number of user actions from 41 to zero. Applying this method yields a dramatic reduction in manual effort. Imagine the time savings possible with highly complex vehicle models.\u003C\u002Fp>\n\n\n\n\u003Ch2 class=\"wp-block-heading\" id=\"driving-value-with-automation-and-traceability-3\">\u003Cstrong>Driving Value With Automation and Traceability\u003C\u002Fstrong>\u003C\u002Fh2>\n\n\n\n\u003Cp>The Modular MODSIM method provides out-of-the-box functionality to reduce the time, cost and repetition of design validation. You can run complex component and subassembly validations in minutes rather than days. Designers and analysts can work independently on the same design data.\u003C\u002Fp>\n\n\n\n\u003Cp>In the unified data environment of the \u003Cstrong>3D\u003C\u002Fstrong>EXPERIENCE platform, you manage simulation and model lifecycles concurrently. A digital thread connects your models and simulations. This unified approach minimizes duplication, maximizes reuse and ensures total traceability across your engineering departments.\u003C\u002Fp>\n\n\n\n\u003Cp>Are you ready to accelerate your vehicle development process? Learn more about the \u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002Finsights\u002Fmodeling-and-simulation\" data-type=\"link\" data-id=\"https:\u002F\u002Fwww.3ds.com\u002Finsights\u002Fmodeling-and-simulation\">Modular MODSIM method\u003C\u002Fa> and contact our sales team to transform your engineering workflows today.\u003C\u002Fp>\n\n\n\n\u003Cfigure class=\"wp-block-image\">\u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002Fproducts-services\u002Fsimulia\u002Fcommunities\u002Fsimulia-community\u002F?_gl=1*16i1ylu*_gcl_au*ODkzODQ0ODQwLjE3ODIxMzA3NDQ.*_ga*MjA2ODMxMDQwNS4xNzc0Mjc0NzY3*_ga_DYJDKXYEZ4*czE3ODIxNTUxNjgkbzExOSRnMSR0MTc4MjE1ODk3NiRqNTQkbDAkaDA.*_ga_TPGKGE8GTG*czE3ODIxNTUxNjgkbzExNyRnMSR0MTc4MjE1ODk3NiRqNTQkbDAkaDA.#_ga=2.128142988.12672350.1703092955-1167175549.1701808524\" target=\"_blank\" rel=\"noreferrer noopener\">\u003Cimg decoding=\"async\" src=\"https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2023\u002F03\u002Fsimulia-communities-email-signature.jpg\" alt=\"\" \u002F>\u003C\u002Fa>\u003C\u002Ffigure>\n\n\n\n\u003Cp>\u003Cbr>\u003Cem>Interested in the latest in simulation? Looking for advice and best practices? Want to discuss simulation with fellow users and Dassault Systèmes experts?\u003C\u002Fem> \u003Cem>The \u003C\u002Fem>\u003Ca href=\"https:\u002F\u002Fwww.3ds.com\u002Fproducts-services\u002Fsimulia\u002Fcommunities\u002Flearning-community\u002F#_ga=2.186231657.1161542608.1587928634-d6a834f0-fe99-11e9-a0d7-7bef9ed67a15\" target=\"_blank\" rel=\"noreferrer noopener\">\u003Cem>SIMULIA Community\u003C\u002Fem>\u003C\u002Fa>\u003Cem> is the place to find the latest resources for SIMULIA software and to collaborate with other users. The key that unlocks the door of innovative thinking and knowledge building, the SIMULIA Community provides you with the tools you need to expand your knowledge, whenever and wherever\u003C\u002Fem>.\u003C\u002Fp>\n\n\n\n\u003Cp>\u003Ca id=\"_msocom_1\">\u003C\u002Fa>\u003C\u002Fp>\n","2026-09-07T09:00:00",[],{"node":43,"__typename":54},{"nicename":44,"description":45,"slug":44,"name":46,"firstName":47,"lastName":48,"avatar":49,"__typename":53},"arunthiraviam","Arunachalam Thiraviam is a Senior MODSIM Industry Process Expert at Dassault Systèmes focused on transforming engineering workflows through automation, simulation, and digital continuity. He works with customers and internal development teams to create MODSIM frameworks that connect CAD, FEA, CFD, and PLM processes on a common data model. Drawing on more than a decade of experience in simulation consulting, product management, and engineering software deployment, Arun helps organizations reduce setup effort, improve process standardization, and scale simulation across engineering teams. His recent work centers on modular automation templates for subsystem-level analysis, enabling faster design exploration and more efficient virtual validation in industries like Transportation & Mobility.","Arun Thiraviam","Arun","Thiraviam",{"default":50,"url":51,"__typename":52},"mm","https:\u002F\u002Fblog-assets.3ds.com\u002Fuploads\u002F2026\u002F09\u002Fcropped-bio_pic-96x96.jpeg","Avatar","User","NodeWithAuthorToUserConnectionEdge",{"edges":56,"nodes":64,"__typename":68},[57],{"isPrimary":58,"node":59,"__typename":63},true,{"slug":60,"name":61,"__typename":62},"design-simulation","Design & Simulation","Taxonomy_topic","PostToTaxonomy_topicConnectionEdge",[65],{"id":66,"name":61,"uri":67,"__typename":62},"dGVybTo4NTU5","\u002Ftopics\u002Fdesign-simulation\u002F","PostToTaxonomy_topicConnection",{"nodes":70,"__typename":76},[71],{"id":72,"name":73,"uri":74,"__typename":75},"dGVybTo4ODQ4","MODSIM","\u002Ftags\u002Fmodsim\u002F","Taxonomy_tag","PostToTaxonomy_tagConnection",{"edges":78,"nodes":85,"__typename":87},[79],{"isPrimary":58,"node":80,"__typename":84},{"slug":81,"name":82,"__typename":83},"simulia","SIMULIA","Taxonomy_brand","PostToTaxonomy_brandConnectionEdge",[86],{"name":82,"slug":81,"__typename":83},"PostToTaxonomy_brandConnection",{"nodes":89,"__typename":90},[],"PostToTaxonomy_keywordConnection",{"title":92,"metaDesc":93,"opengraphAuthor":94,"opengraphDescription":93,"opengraphTitle":20,"opengraphUrl":95,"opengraphSiteName":96,"opengraphPublishedTime":97,"opengraphModifiedTime":98,"twitterTitle":94,"twitterDescription":94,"readingTime":99,"metaRobotsNoindex":100,"__typename":101},"Simplify Vehicle Development with Modular MODSIM","Learn how Modular MODSIM automates simulation workflows, reduces repetitive tasks and accelerates design validation in the T&M industry.","","https:\u002F\u002Fblog.3ds.com\u002Fbrands\u002Fsimulia\u002Fsimplify-vehicle-development-modular-modsim\u002F","Dassault Systèmes blog","2026-09-07T09:00:00+00:00","2026-09-07T09:00:02+00:00",6,"index","PostTypeSEO","Post","RootQueryToPostConnection",{},{},1788787512205]