Approximation concepts for efficient structural synthesisU.S. National Aeronautics and Space Administration, 1976 - Structural analysis (Engineering) - 289 pages |
Common terms and phrases
18 Element Wing approximate problem approximation concepts Automated Bar Cantilever Truss components compressive stress configuration group CONMIN critical constraints cross sectional area CST Model degrees of freedom Delta Wing Examples design optimization design process design variable linking Displacement Boundary Conditions displacement constraints displacement degrees Element Descriptions Element Wing Box explicit approximations final design obtained finite element analysis given in Table group number Histories for Problem hyperspheres in² inches independent design variables initial design Iteration History iterative design lb/in² linking arrangement lower limit method minimum member modulus of elasticity NEWSUMT Nodal Coordinates number of analyses number of independent optimum design partial derivatives penalty function Planar Ten Bar Problem 10D reducing the number reported in Ref Schmit spar caps SSP elements stress constraints structural analysis structural design Swept Wing Taylor series TRUSS elements U.S. customary units UMT version vectors version of ACCESS Weight lbs Wing Box Example