3.1.5. uniaxialMaterial Command

This command is used to construct a uniaxial material, which provides a uniaxial stress-strain (or force-deformation) relationships. .

uniaxialMaterial $matType $matTag $matArgs

Argument	Type	Description
$matType	string	material type
$matTag	integer	unique material tag.
$matArgs	list	a list of material arguments with number dependent on material type

The following subsections contain information about $matType

1. Steel & Reinforcing-Steel Materials

   • 3.1.5.1. Steel01 Material
   • 3.1.5.2. Steel02 Material
   • 3.1.5.3. Steel4 Material
   • 3.1.5.4. ASDSteel1D Material
   • 3.1.5.5. Reinforcing Steel Material
   • 3.1.5.6. DoddRestrepo Material
   • 3.1.5.7. Ramberg Osgood Steel Material
   • 3.1.5.8. SteelMPF Material
   • 3.1.5.9. UVCUniaxial Material
   • 3.1.5.10. SteelFractureDI Material
   • 3.1.5.11. DuctileFracture Material

2. Concrete Materials

   • 3.1.5.12. Concrete01 Material – Zero Tensile Strength
   • 3.1.5.13. Concrete02 Material – Linear Tension Softening
   • 3.1.5.14. Concrete02IS Material (Concrete02 with Initial Stiffness Control)
   • 3.1.5.15. Concrete04 Material – Popovics Concrete Material
   • 3.1.5.16. ASDConcrete1D Material
   • 3.1.5.17. GMG_CyclicReinforcedConcrete Material
   • 3.1.5.18. Creep Material – Wrapper Creep Material

1. Some Standard Uniaxial Materials

1. Generic Multilinear Hysteretic Materials

   • 3.1.5.19. Hysteretic Material
   • 3.1.5.20. HystereticSM Material
   • 3.1.5.21. IMKBilin Material
   • 3.1.5.22. IMKPeakOriented Material
   • 3.1.5.23. IMKPinching Material
   • 3.1.5.24. SLModel Material

1. Wrapper Uniaxial Materials

• 3.1.5.25. Fatigue Material Wrapper
• 3.1.5.26. Parallel Material (Composite)
• 3.1.5.27. Series Material (Composite)
• 3.1.5.28. TensionOnly Material Wrapper
• 3.1.5.29. SimpleFracture Material Wrapper
• 3.1.5.30. InitStrain Material Wrapper
• 3.1.5.31. InitStress Material Wrapper
• 3.1.5.32. MinMax Material Wrapper
• 3.1.5.33. PathIndependent Material Wrapper
• 3.1.5.34. Damper Material Wrapper
• 3.1.5.35. Penalty Material Wrapper
• 3.1.5.36. Multiplier Material Wrapper

1. Other Uniaxial Materials

   • 3.1.5.37. BoucWenInfill Material
   • 3.1.5.38. HystereticPoly Material
   • 3.1.5.39. HystereticAsym Material (Smooth asymmetric hysteresis)
   • 3.1.5.40. HystereticSmooth Material (Smooth hysteretic material)
   • 3.1.5.41. DowelType Timber Joint Material
   • 3.1.5.42. CoulombDamper Material
   • 3.1.5.43. Hertz Damp Material
   • 3.1.5.44. Jankowski Impact Material
   • 3.1.5.45. Viscoelastic Gap Material
   • 3.1.5.46. Ratchet Material

1. PyTzQz uniaxial materials for p-y, t-z and q-z elements

• 3.1.5.47. PySimple1 Material
• 3.1.5.48. TzSimple1 Material
• 3.1.5.49. QzSimple1 Material
• 3.1.5.50. PyLiq1 Material
• 3.1.5.51. TzLiq1 Material
• 3.1.5.52. QzLiq1 Material
• 3.1.5.53. TzSandCPT Material
• 3.1.5.54. QbSandCPT Material