System-of-Systems Engineering - Liophant Simulation
System-of-Systems Engineering - Liophant Simulation
System-of-Systems Engineering - Liophant Simulation
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Challenges to Surrogate Modeling forStochastic Processes• For a given set <strong>of</strong> inputs, the outputs are a distribution, nota single point– Repetitions <strong>of</strong> each DoE case are required to capture thedistribution– If the variability is high, a large number <strong>of</strong> repetitions arerequired• The distribution may be non-normal, or be modal in nature– More difficult to accurately model a non-normal distribution– In the case <strong>of</strong> modal behavior, must determine the drivers forthe modes• Multiple surrogates will be required for each response– The number <strong>of</strong> surrogates required will be dependant on theassumed distributionDeveloping Methods and Techniques for <strong>System</strong> <strong>of</strong> <strong>System</strong>s <strong>Engineering</strong>Dr. Dimitri Mavris, dimitri.mavris@ae.gatech.edu43
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