labfans
2009-04-09, 02:47
While sometimes an obstacle, friction makes possible much that we take for granted—hence, its importance in mechanical engineering and control design. In automotive engineering, for example, friction is undesirable in pistons and cylinders, but essential in clutches and in tire-road contact.
更多... (http://www.mathworks.com/company/newsletters/digest/2008/may/friction.html)
更多... (http://www.mathworks.com/company/newsletters/digest/2008/may/friction.html)