In the present context, a model is understood to be {HEAD ~ a calculation} based on {TAIL ~ a mathematical representation} of a set of data that can be used to determine the effect that a particular process has on mechanical properties of an object being studied 
based on
In the present context , a model is understood to be { HEAD ~ a calculation } based on { TAIL ~ a mathematical representation } of a set of data that can be used to determine the effect that a particular process has on mechanical properties of an object being studied
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH