ABAQUS Advanced Structural Nonlinearity Practical Cases and Analysis Topics

module

training target

main content

Finite Element Theory Foundation and ABAQUS Operation Flow

Understand the nonlinear foundation of finite element structure, master the basic flow of ABAQUS software operation, familiar with common function modules.

1. Weighted residual method and variational principle;

2. Convergence of finite element method;

3. Element average or node average of stress;

Non-linear (Non-Linear) sources

5. Finite element fundamental equations for nonlinear problems

6. Operation flow of ABAQUS software modeling and analysis;

7, ABAQUS/CAE function module.

Case 1: Formation mechanism of triangular unit

Case 2: Stress analysis of mechanical parts

Geometric Modeling and Meshing Technology

Master the geometric modeling method of parts, master the mesh division method, familiar with the element type, able to check and optimize the element quality.

1. Part creation methods and skills;

2. Assembly method;

3. Define part properties;

4. ABAQUS complex mesh division skills;

5. Selection skills of nonlinear element types;

6. Techniques for arranging seeds in ABAQUS analysis;

7. Grid quality inspection and optimization.

Case 3: Modeling and assembly of support connection components

Case 4: Square plate adaptive meshing

non-linear dynamic analysis

Master the operation method of dynamic analysis, direct integration method of dynamic analysis, damping setting, energy balance inspection. Dynamic analysis is possible.

1. Direct integration method for dynamic analysis;

2. Rayleigh damping;

3. Explicit dynamic analysis of step and field variable settings;

4. Energy balance status inspection in visualization;

5. Nonlinear implicit explicit transformation solution;

6, the speed of the process of falling, energy change law.

Case 6: Explicit dynamic analysis of disk parts

Case 7: Simulation analysis of free fall process of mobile phone

contact analysis

Master contact analysis flow, be able to correctly define contact pairs, understand finite slip and small slip, master the method of defining distance or interference between contact surfaces, and master convergence methods in contact analysis.

1. Contact analysis process;

2. The difference between contact pairs and general contact;

3. finite slip and small slip;

4. Distance or interference between contact surfaces;

5. Convergence in contact analysis;

6. Axisymmetric element modeling;

Case 8: Contact analysis of long-span structures

Case 9: Simulation of sleeve interference assembly process

elastic-plastic analysis

To understand the elastoplastic deformation behavior, master the elastoplastic and hyperelastic material analysis methods, and solve the convergence problem in the analysis.

1. Elastoplastic deformation behavior;

2. Elastoplastic analysis method;

3. Convergence problems in elastoplastic analysis.

4. Submodel analysis techniques;

5. Calculation method of stress discontinuity and stress invariant;

6. Self-contact of superelastic materials.

Case 9: Simulation of bending process of irregular section blank

Case 10: Large Deformation Analysis of Hyperelastic Materials

Comprehensive analysis of complex engineering

Master the calculation methods and skills of bolt, pulley and bearing with preload.

1. Modeling methods for complex contact problems;

2. Different methods of generating parts and locating entities;

3. Apply bolt load and define contact interference;

4. Modeling method of rotational cyclic symmetry;

5. Over-constraint solution;

6. Tetrahedral meshing skills and improving mesh quality;

7. Restart the analysis (restart).

Case 11: Nonlinear Contact Analysis of Pretensioned Bolts

Case 12: Limit and fit analysis of pulley and bearing at different temperatures