Benchmark 2B
The Nature of Mathematics: Mathematics, Science, and Technology
Grades 9-12, page 33

Mathematical modeling aids in technological design by simulating how a proposed system would theoretically behave.

NSES Content Standard E 
Science and Technology: Abilities of technological design 
Grades 9-12, page 192 
Propose designs and choose between alternative solutions. Students should demonstrate thoughtful planning for a piece of technology or technique. Students should be introduced to the roles of models and simulations in these processes.