TOPIC 6 TOOLKIT
Measure the response.
Change the specimen or load and see stiffness, stored energy and material properties update.
Hooke’s-law explorer
Model a spring within its proportional region.
FORCE15.0 N
F = kx
ELASTIC ENERGY0.450 J
½kx²
Stress calculator
Stress measures loading independent of cross-sectional area.
TENSILE STRESS5.00e+7 Pa
σ = F/A
Strain calculator
Strain compares extension with original length.
TENSILE STRAIN0.000500
ε = ΔL/L, with no unit
Young modulus
Compare stress with strain inside the linear elastic region.
YOUNG MODULUS1.00e+11 Pa
E = stress/strain = FL/(AΔL)