The purpose of a dynamic warm ups is to mimic the movement you shall be doing in order to loosen up the muscles and tendons, increase blood flow and prepare your nervous system to be shocked during training. This is typically done before stretching and the actual intense exercises you with to perform.
An example of a dynamic Warm ups are meant to get your heart up, heat your body and prepare your client to go through the session. Sweating should be apart of the warm up results.
The navy has a great index of dynamic warms ups that may intrigue you and potential give you the desired results you desire check them out here: Navy Dynamic Warm ups for small quarters.