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It describes that in an ideal fluid (that is, an incompressible and inviscid fluid), pressure is lower where the flow velocity is higher, and pressure is higher where the flow velocity is lower. 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Definition of the finite element method \nAnswer: The finite element method is a numerical method for approximately solving general continuum field problems \n2. What is the basic idea of the finite element method? \nAnswer: First, the continuum representing the structure is discretized into several subdomains, and the elements are connected into an assembly through nodes on their boundaries. Second, the unknown field variables to be solved for in the solution domain are represented piecewise using the approximate functions assumed within each element. \n3. What are the classifications and basic steps of the finite element method? \nAnswer: Classifications: displacement method, force method, mixed method; steps: discretization of the structure, element analysis, element assembly, introduction of constraint conditions, solving the system of linear equations, and obtaining nodal displacements. \n4. Finite element method…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":51,"like_count":3,"has_summary":false,"last_poster_username":"Clacle","category_id":14,"op_like_count":3,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_vote":false,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":3,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Simplifying finite element analysis with symmetry: methods and application guide","fancy_title_localized":true,"locale":"zh_CN","id":223,"title":"利用对称性简化有限元分析：方法与应用指南","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":"https://www.cax.do/uploads/default/original/2X/8/8a086fd46cd608c4c39eb630937ea83831f056a8.jpeg","created_at":"2024-12-09T13:40:00.466Z","last_posted_at":"2024-12-09T13:40:00.527Z","bumped":true,"bumped_at":"2025-08-28T11:51:12.067Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"In finite element analysis (FEA), using symmetry is an effective way to reduce the size of the computation. \nBelow is a detailed explanation of how to apply symmetry, as well as its use in antisymmetric, symmetric, and axisymmetric cases. \nWhen can symmetry be applied?\nIn FEA, “symmetry” usually refers to mirror symmetry. \nIf the model’s geometry, boundary condi…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[{"id":26,"name":"abaqus","slug":"abaqus"}],"tags_descriptions":{},"views":254,"like_count":3,"has_summary":false,"last_poster_username":"Sbadakesi","category_id":14,"op_like_count":3,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_vote":false,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":2,"primary_group_id":null,"flair_group_id":null}]},{"fancy_title":"Open Source Finite Element | High-Performance Scalable Finite Element Library MFEM","fancy_title_localized":false,"locale":"en","id":253,"title":"Open Source Finite Element | High-Performance Scalable Finite Element Library MFEM","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":"https://www.cax.do/uploads/default/original/2X/5/5bb6073becaea2226d7d5eda751d99e9a8c8c6d6.webp","created_at":"2025-01-12T11:34:54.145Z","last_posted_at":"2025-01-12T11:34:54.262Z","bumped":true,"bumped_at":"2025-01-12T11:34:54.262Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"In the field of scientific computing, the Finite Element Method (FEM) is a commonly used numerical tool for handling par…","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[{"id":50,"name":"udf","slug":"udf"}],"tags_descriptions":{},"views":48,"like_count":3,"has_summary":false,"last_poster_username":"Max","category_id":14,"op_like_count":3,"pinned_globally":false,"featured_link":null,"has_accepted_answer":false,"can_vote":false,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":1,"primary_group_id":null,"flair_group_id":null}]}]}}