Return on Investment Unclear:
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Amdahl's law for use of HPCC in Industrial Simulation
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If Simulation was only 10% or less of original design and manufacturing cycle, then can only gain this 10% by speeding up simulation
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And this speedup comes at huge software engineering cost !
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Codes are long and expertise to convert to parallelism may no longer exist in new "slim" companies after layoffs , buyouts and freeze on hiring new employees with knowledge of new technologies such as HPCC
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New codes must be validated by extensive tests before use
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Remember we can't solve full Navier-Stokes Equations yet and so some approximations necessary
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