Nonlinear 3D FE Solver for Steel and Concrete 2

Nonlinear 3D FE Solver for Steel and Concrete 2

Nonlinear 3D finite element solver for steel and concrete (version 2) with nineteen example files:

1-Example_Concrete_Flexure_AC.m: concrete beam subjected to flexure using arc length control

2-Example_Concrete_Flexure_Brick_DC.m: concrete beam subjected to flexure using displacement control (element type is brick)

3-Example_Concrete_Flexure_Tetra_DC.m: concrete beam subjected to flexure using displacement control (element type is tetrahedron)

4-Example_Concrete_Flexure_Wedge_DC.m: concrete beam subjected to flexure using displacement control (element type is wedge)

5-Example_Concrete_Tension_DC.m: concrete cube subjected to tension using displacement control

6-Example_Concrete_Compression_DC.m: concrete cube subjected to compression using displacement control

7-Example_Reinforced_Concrete_Bond_Flexure_DC.m: reinforced concrete beam subjected to flexure using displacement control (assuming bond slip between steel and concrete)

8-Example_Reinforced_Concrete_Rigid_Flexure_DC.m: reinforced concrete beam subjected to flexure using displacement control (assuming rigid bond between steel and concrete)

9-Example_Elastic_Flexure_LC.m: elastic beam subjected to flexure using load control

10-Example_Steel_Flexure_AC.m: steel beam subjected to flexure using arc length control

11-Example_Steel_Flexure_DC.m: steel beam subjected to flexure using displacement control

12-Example_Steel_Flexure_LC.m: steel beam subjected to flexure using load control

13-Example_Steel_Flexure_Brick_DC.m: steel beam (with small cross section) subjected to flexure using displacement control (element type is brick)

14-Example_Steel_Flexure_Brick_TL_DC.m: steel beam (with small cross section) subjected to flexure using displacement control (element type is brick with nonlinear geometry [Total Lagrangian])

15-Example_Steel_Tension_Elastic_Plastic_DC.m: steel bar subjected to tension using displacement control (material type is elastic-plastic model)

16-Example_Steel_Tension_Ductile_Damage_DC.m: steel bar subjected to tension using displacement control (material type is elastic-plastic model with ductile damage)

17-Example_Elastic_Compression_Brick_TL_DC.m: elastic column subjected to compression using displacement control (element type is brick with nonlinear geometry [Total Lagrangian])

18-Example_Steel_Compression_Brick_DC.m: steel column subjected to compression using displacement control (element type is brick)

19-Example_Steel_Compression_Brick_TL_DC.m: steel column subjected to compression using displacement control (element type is brick with nonlinear geometry [Total Lagrangian])

The effect of the following parameters are studied in the above examples:

a-The effect of loading type:

1-In concrete flexure test:

Arc length control:Example_Concrete_Flexure_AC.m

Displacement control: Example_Concrete_Flexure_Wedge_DC.m

Load control is not included because it does not catch post-peak behavior

2-In steel flexure test:

Arc length control:Example_Steel_Flexure_AC.m

Displacement control: Example_Steel_Flexure_DC.m

Load control: Example_Steel_Flexure_LC.m

b-The effect of element type:

In concrete flexure test:

Brick elements: Example_Concrete_Flexure_Brick_DC.m

Tetrahedral elements: Example_Concrete_Flexure_Tetra_DC.m

Wedge elements: Example_Concrete_Flexure_Wedge_DC

c-The effect of material type:

1-In steel flexure test:

Elastic Model: Example_Elastic_Flexure_LC.m

Elastic Plastic Model: Example_Steel_Flexure_LC.m

2-In steel tension test:

Elastic-Plastic Model: Example_Steel_Tension_Elastic_Plastic_DC.m

Elastic-Plastic Model with Ductile Damage: Example_Steel_Tension_Ductile_Damage_DC.m

d-The effect of geometric nonlinearity:

1-In steel flexure test (beam shortening in the long direction):

Linear Geometry: Example_Steel_Flexure_Brick_DC.m

Nonlinear Geometry: Example_Steel_Flexure_Brick_TL_DC.m

2-In steel compression test (buckling analysis):

Linear Material with Nonlinear Geometry: Example_Elastic_Compression_Brick_TL_DC.m

Nonlinear Material with Linear Geometry: Example_Steel_Compression_Brick_DC.m

Nonlinear Material with Nonlinear Geometry: Example_Steel_Compression_Brick_TL_DC.m

e-the effect of bond slip

In reinforced concrete flexure test:

Bond Slip: Example_Reinforced_Concrete_Bond_Flexure_DC.m

Rigid Bond: Example_Reinforced_Concrete_Rigid_Flexure_DC.m