CSCM Concrete Model Calculator

Young's Modulus

—

MPa

Tensile Strength

f_t

—

MPa

Bulk Modulus

—

MPa

Shear Modulus

—

MPa

TXC Constant

—

MPa

Initial Cap

X₀

—

MPa

Warning:

Parameters Summary

Parameter	Symbol	Value	Unit
Elastic
Young's Modulus	E	—	MPa
Poisson's Ratio	ν	—	—
Bulk Modulus	K	—	MPa
Shear Modulus	G	—	MPa
Strength
Tensile Strength	f_t	—	MPa
Tensile Fracture Energy	G_Ft	—	N/mm
Compressive Fracture Energy	G_Fc	—	N/mm
TXC Shear Surface — Ff(J₁) = α + θ·J₁ − λ·e^−β·J₁
Constant Term	α	—	MPa
Linear Term	θ	—	—
Nonlinear Term	λ	—	MPa
Exponent	β	—	MPa⁻¹
Hardening Cap
Initial Cap Location	X₀	—	MPa
Max Plastic Compaction	W	—	—
Linear Shape Parameter	D₁	—	—
Quadratic Shape Parameter	D₂	—	—
Cap Aspect Ratio	R	—	—
Hardening Initiation	N_H	—	—
Hardening Rate	C_H	—	—
Damage
Ductile Damage Parameter	B	—	—
Brittle Damage Parameter	D	—	—
Strain Rate Effects
Compression Rate Parameter	η₀c	—	s⁻¹
Compression Rate Power	N_c	—	—
Tension Rate Parameter	η₀t	—	s⁻¹
Tension Rate Power	N_t	—	—

References

1. Murray Y.D. Users Manual for LS-DYNA Concrete Material Model 159 (MAT_CSCM). FHWA-HRT-05-062. Federal Highway Administration, 2007.
https://highways.dot.gov/media/5936

2. Novozhilov Y.V., Dmitriev A.N., Mikhaluk D.S. Precise Calibration of the Continuous Surface Cap Model for Concrete Simulation. Buildings. 2022;12(5):636.
https://doi.org/10.3390/buildings12050636

The CSCM model provides continuous smooth failure surfaces for concrete materials and includes strain rate effects. The Novozhilov calibration method improves parameter prediction accuracy for high strain-rate analysis.

CSCM (Continuous Surface Cap Model) Concrete Calculator

Failure Surface (3D)

Parameters Summary

References