S22-7 PAT318, Section 22, March 2005 Quasi-static method (linear superposition) - repeat for each node/element 1A * L 1 (t) + 2A * L 2 (t) +... = A (t) Stress for Unit Load Cases Local Stress Histories Load Time Histories L2L2 A L1L1 L 1 =1 L 2 =1
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