The third major approach of structural optimization is based on the concept?

In geometric programming, the emphasis is on ______

The stresses developed at the top and bottom fibres of the critical section developed at ________

The deflection constraint at the limit state of serviceability is taken as ________

In the design of prestressed concrete structural elements the objective is?

The design variables are generally grouped under which parameters?

Dynamic programming developed in optimization techniques are widely applied in ______

Optimization studies were conducted for slabs of type ________