Mechanical strain

Karthic_22061

Hi,

In Optistruct help  strain >> extras >>  MECH, THER, PLASTIC

MECH - Output Mechanical strain (in addition to total strain).

PLASTIC - Output Plastic strain (in addition to total strain).

 

Whats the difference between mechanical and Plastic Strain ?

vonmises strain is the total strain ?

Altair Forum User

Hi Karthic,

 

From Hooke's law Strain= (Sigma/E)+EpT(Thermal Strain). Here we have two parts thermal strain and mechanical strain. The first part is Mechanical strain.

 

Plastic strain is calculated beyond yield point.