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