MultiPhysicsVault/wiki/hot.md

type, title, updated, tags, status, related

type	title	updated	tags	status	related
meta	Hot Cache	2026-05-29T16:57:52+09:00	meta hot-cache	current	index log overview Finite Element Procedures A Continuum Mechanics Based Four-Node Shell Four-Node-Quadrilateral-Shell-Element-MITC4 MITC Study Notes Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method On-the-Finite-Element-Analysis-of-Shell-Structures Solid Element Notes Abaqus Theory Manual A-First-Course-in-the-Finite-Element-Method Abaqus-Analysis-User-s-Guide-Volume-I Abaqus-Analysis-User-s-Guide-Volume-II Finite Element Method Abaqus Analysis Procedures Abaqus Element Library Abaqus Input File Syntax Abaqus Job Execution Workflow Abaqus Output Database and Results Files Abaqus General and Linear Perturbation Steps Abaqus Nonlinear Solution Control Abaqus Multiphysics Coupling and Co-simulation

Recent Context

Last Updated

2026-05-29. The wiki is finite-element scoped and now includes .raw/AbaqusAnalysisUserGuide2/ as the Abaqus analysis-procedure and analysis-technique thread, .raw/AbaqusAnalysisUserGuide1/ as the Abaqus input/execution/output thread, .raw/AFirstCourseInTheFiniteElementMethod/ as an introductory FEM textbook, .raw/AbaqusTheoriesManual/ as an industrial FE theory reference, and the existing Bathe, solid element, shell element, MITC, dynamic buckling, and shell FE review sources.

Key Recent Facts

• Current sources: Finite Element Procedures, A-First-Course-in-the-Finite-Element-Method, Solid Element Notes, A Continuum Mechanics Based Four-Node Shell, Four-Node-Quadrilateral-Shell-Element-MITC4, MITC Study Notes, Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method, On-the-Finite-Element-Analysis-of-Shell-Structures, Abaqus Theory Manual, Abaqus-Analysis-User-s-Guide-Volume-I, and Abaqus-Analysis-User-s-Guide-Volume-II.
• Current domain: Computational Mechanics.
• Current core concepts include the base FEM, solid, shell, solver, and Abaqus threads. The newest Abaqus procedure concepts are Abaqus General and Linear Perturbation Steps, Abaqus Nonlinear Solution Control, Abaqus Restart and Results Transfer, Abaqus Substructuring and Submodeling, Abaqus Matrix Generation and Reduced Models, Abaqus Fracture and Enriched Discontinuity Modeling, Abaqus Adaptivity and Mesh Replacement, Abaqus Explicit Analysis Efficiency Techniques, Abaqus Eulerian and Particle Methods, Abaqus Multiphysics Coupling and Co-simulation, Abaqus Structural Optimization and Parametric Studies, and Abaqus User Subroutines and Utility Routines.
• A-First-Course-in-the-Finite-Element-Method contributes an introductory element-by-element thread: direct stiffness assembly, bar/truss, beam/frame, plane stress/strain, axisymmetric elements, load-vector assembly, modeling/convergence checks, thermal stress, and structural dynamics basics.
• Abaqus Theory Manual contributes a production FE theory thread: procedure families, element library design, reduced integration/hourglass control, hybrid incompressible elements, material-point constitutive integration, and contact/interface formulation.
• Abaqus-Analysis-User-s-Guide-Volume-I contributes a production FE operations thread: input-file syntax, spatial model definition, surfaces and assemblies, matrix-based model definition, job execution, resource/parallel settings, and output database/results files.
• Abaqus-Analysis-User-s-Guide-Volume-II contributes a production FE analysis-technique thread: general/linear perturbation steps, nonlinear solution controls, static/dynamic/coupled procedures, restart/import, substructuring, submodeling, matrix generation, fracture/XFEM, adaptivity, explicit performance techniques, Eulerian/particle methods, co-simulation, optimization, parametric studies, and user subroutines.
• The solid element notes contribute a 3D continuum element formulation thread: linear isoparametric solid element topologies, natural-coordinate shape functions, Jacobian derivative mapping, stiffness integration, and incompatible mode enrichment.
• The four-node shell paper contributes a continuum-mechanics shell formulation, an assumed transverse shear strain interpolation to avoid shear locking, and a total Lagrangian nonlinear shell analysis setting.
• The MITC4 source contributes an OOFEM implementation thread, patch-test verification, and Scordelis-Lo convergence data for a four-node quadrilateral shell element.
• The MITC study notes contribute derivation details: shell director kinematics, Green-Lagrange strain linearization, constitutive transformation, and nonlinear Newmark-beta iteration.
• The dynamic buckling thesis contributes a validated MITC4 shell program workflow: geometric stiffness, lumped mass, BLZPACK eigenvalue solves, ABAQUS comparisons, and instability-region prediction.
• The shell FE review contributes the conceptual reliability frame: basic shell mathematical model, bending/membrane/mixed asymptotic behavior, locking, uniform optimal convergence, and benchmark testing.
• Removed non-finite-element wiki content, old canvases, old fold pages, old question/comparison notes, old release/audit/session artifacts, and pre-2026-05-28 log entries.

Recent Changes

• Created most recently: Abaqus-Analysis-User-s-Guide-Volume-II, Abaqus General and Linear Perturbation Steps, Abaqus Nonlinear Solution Control, Abaqus Restart and Results Transfer, Abaqus Substructuring and Submodeling, Abaqus Matrix Generation and Reduced Models, Abaqus Fracture and Enriched Discontinuity Modeling, Abaqus Adaptivity and Mesh Replacement, Abaqus Explicit Analysis Efficiency Techniques, Abaqus Eulerian and Particle Methods, Abaqus Multiphysics Coupling and Co-simulation, Abaqus Structural Optimization and Parametric Studies, Abaqus User Subroutines and Utility Routines
• Previous Abaqus User Guide Volume I thread: Abaqus-Analysis-User-s-Guide-Volume-I, Abaqus Input File Syntax, Abaqus Spatial Model Definition, Abaqus Surface and Assembly Modeling, Abaqus Matrix-Based Model Definition, Abaqus Job Execution Workflow, Abaqus Resource and Parallel Execution, Abaqus Output Database and Results Files
• Previous Logan thread: A-First-Course-in-the-Finite-Element-Method, Daryl L. Logan, Direct Stiffness Method, Bar and Truss Finite Elements, Beam and Frame Finite Elements, Plane Stress and Plane Strain Elements, Axisymmetric Finite Elements, Finite Element Load Vector Assembly, Finite Element Modeling and Convergence Checks, Finite Element Thermal Stress Analysis
• Previous Abaqus thread: Abaqus Theory Manual, Abaqus Analysis Procedures, Abaqus Element Library, Reduced Integration and Hourglass Control, Hybrid Incompressible Elements, Abaqus Constitutive Integration, Finite Element Contact Formulation
• Previous solid element thread: Solid Element Notes, Isoparametric Linear Solid Elements, Solid Element Shape Functions, Solid Element Strain-Displacement Matrix, Solid Element Stiffness Integration, Incompatible Mode Solid Elements
• Previous shell review thread: On-the-Finite-Element-Analysis-of-Shell-Structures, Phill-Seung Lee, Hyuk-Chun Noh, Basic Shell Mathematical Model, Shell Structure Asymptotic Behavior, Shell Locking Phenomenon, Uniform Optimal Convergence, Shell Element Benchmark Testing
• Previous dynamic stability thread: Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method, Hee Jun Lee, Inha University, BLZPACK, ABAQUS, Dynamic Buckling Analysis, Dynamic Instability Region, Geometric Stiffness Matrix
• Previous MITC derivation thread: MITC Study Notes, MITC Shell Kinematics, Green-Lagrange Strain Linearization, Nonlinear Newmark-Beta Integration
• Previous MITC implementation thread: Four-Node-Quadrilateral-Shell-Element-MITC4, MITC4 Shell Element, Scordelis-Lo Shell Benchmark, Edita Dvorakova, Borek Patzak, OOFEM
• Previous shell thread: A Continuum Mechanics Based Four-Node Shell, Eduardo N. Dvorkin, Continuum Mechanics Based Four-Node Shell Element, Assumed Transverse Shear Strain Interpolation, Total Lagrangian Shell Formulation
• Updated: index, overview, log, hot, getting-started, dashboard, Wiki Map, sources/_index, concepts/_index, entities/_index, Computational Mechanics, ABAQUS, Abaqus Theory Manual, Abaqus-Analysis-User-s-Guide-Volume-I, Abaqus Analysis Procedures, Abaqus Matrix-Based Model Definition, Abaqus Job Execution Workflow, Abaqus Resource and Parallel Execution, Static Equilibrium Equation Solvers, Direct Time Integration Methods, Finite Element Eigenproblem Solvers, Finite Element Heat Transfer and Field Problems, Finite Element Program Implementation, Finite Element Modeling and Convergence Checks
• Preserved: finite-element source/entity/domain/concept pages and wiki operational files.

Active Threads

• User is curating this vault as a finite element and computational mechanics wiki, now with an introductory element-formulation thread, a solid-and-shell element thread, and an Abaqus production-reference thread connecting direct stiffness assembly, structural elements, plane and axisymmetric continua, thermal stress, modeling checks, 3D continuum formulation, shell asymptotic behavior, locking remedies, nonlinear dynamics, dynamic buckling stability prediction, industrial procedure selection, element integration choices, constitutive updates, contact, input files, job execution, resource settings, output databases, nonlinear controls, continuation, model reduction, adaptivity, multiphysics coupling, optimization, and user-code extension.