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GP-ME-07GJYQ0MechanicalOpen for request

CalculiX structural bracket simulation

A CalculiX finite-element study of stress, displacement, load path, mesh convergence, and design variation in a selected loaded mechanical bracket.

  • CalculiX
  • Gmsh
  • FreeCAD
  • Python
  • ParaView

Software compatibility

CalculiX only

The solver input, mesh, and results are delivered for a pinned CalculiX environment. Abaqus, ANSYS Mechanical, Nastran, and SolidWorks Simulation project files are not included.

Project definition

Problem statement

Bracket stress depends on geometry, load introduction, supports, contacts, material assumptions, element type, mesh, and stress concentration interpretation.

Project objectives

  • Model a selected bracket, material, supports, load faces, and service load cases.
  • Calculate displacement, reactions, strain energy, and stress fields.
  • Perform element, mesh, and local-refinement convergence checks.
  • Compare selected thickness, fillet, rib, or material variations.
  • Verify equilibrium and simple subcases against analytical calculations.

System design

System modules

01

Geometry and mesh

Builds the bracket, load and support faces, element sets, mesh controls, and quality checks.

02

CalculiX model

Defines materials, elements, sections, constraints, loads, and solver steps.

03

Verification cases

Checks simple beam or plate-like subcases, units, reactions, and displacement trends.

04

Convergence study

Compares global and local quantities across controlled mesh refinements.

05

Design comparison

Evaluates selected variations under identical load and assessment rules.

Methodology

System workflow

  1. 01
    Verify baseline

    Geometry, units, material, supports, and load resultants are checked.

  2. 02
    Solve initial mesh

    Displacements, reactions, energy, and stresses are reviewed.

  3. 03
    Refine

    Global and local mesh levels test convergence away from singularities.

  4. 04
    Change design

    Selected fillet, thickness, rib, or material cases are solved.

  5. 05
    Compare

    Mass, stiffness, stress, and convergence are interpreted together.

Demonstration scenario

A loaded mounting bracket is solved on three meshes. The study separates a support singularity from a converging fillet stress, verifies reactions, and compares a thicker design with a ribbed design for mass, stiffness, and stress.

Engineering

Technical architecture

Environment
Native CalculiX input and result files with Gmsh or FreeCAD geometry and mesh preparation.
FE model
Documented linear elastic solid or shell elements and explicitly defined loads and constraints.
Post-processing
Python and ParaView workflows for reactions, paths, contours, convergence, and tables.
Verification
Equilibrium, energy, analytical subcases, element checks, and mesh refinement.

Testing

Evaluation

Evaluation measures

  • Force and moment equilibrium
  • Displacement agreement with analytical subcases
  • Mesh convergence of displacement, energy, and selected stress measures
  • Identification and treatment of singular stress locations
  • Mass, stiffness, and stress comparison across designs
  • Solver time and memory across meshes

System boundaries

  • Only the pinned CalculiX model is delivered.
  • The first scope uses documented linear elastic and small-deformation assumptions.
  • Fatigue, fracture, plasticity, contact, manufacturing defects, and load uncertainty are excluded unless explicitly scoped.
  • The result is not a certified mechanical design or proof of physical safety.

Included

  1. 01Parametric bracket geometry and mesh files
  2. 02Native CalculiX solver input and result files
  3. 03Displacement, stress, reaction, and convergence scripts
  4. 04Prepared load cases, reference checks, and results
  5. 05Complete source code in a private GitHub repository
  6. 06Complete project documentation with synopsis, abstract, methodology, FEA diagrams, mesh study, results, screenshots, and conclusion
  7. 07Setup and usage guide

Project record

No buyer information is collected on this page.

Permanent project ID
GP-ME-07GJYQ0
Catalogued
22 Aug 2026
Completed
Pending
Verified
Pending
Demonstration
Added when ready

Handover

After purchase

  1. 01
    Payment is confirmed

    The project is marked unavailable and cannot be purchased again.

  2. 02
    Repository access is granted

    The buyer's submitted GitHub account receives access to the private repository.

  3. 03
    The purchase record is delivered

    The certification sheet is prepared from the reviewed buyer details and sent privately by email.