Optimum design of mechanical elements
Updated and expanded new edition of this unique book of basic techniques and practical applications (including important new developments) for the optimal design of mechanical elements in realistic design settings. Reviews necessary background information, explains the method of optimum design (MOD) and automated optimal design (AOD), and covers optimization problems both for simple and complex mechanical elements. Many simple illustrative examples and practical exercises.
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Some Basic Search Techniques for Automated Optimal Design
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actual load algorithm AOD equation system approximation assume base point basic bearing boundary calculated Chapter consider constant curvature defined derived design problems design study determined diameter eliminated parameters error example expressed factor of safety failure phenomenon fatigue failure feasible design finite differences follows functional requirements gear given gradient Hence journal bearing limit equation load capability log-log log-log graph machine manufacturing material parameters maximum shearing stress mechanical element method of optimum minimizing obtained OPTIGO optimization problem optimization quantity optimum design penalty function Poisson's ratio possible primary design equation principal normal stresses ratio reference related parameters selection shown in figure significant simple exponential equation solution point specified values spring steel step stress concentration stress concentration factor stress increase factor SUBROUTINE subsidiary design equations summarized surface tabulated data tensile bar tion torsion bar torsion shaft typical VALUES 0F variation diagram yield strength