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DTSTART:20160218T090000
DTEND:20160218T100000
SUMMARY:CERE Seminar by Tobias Kasper Skovborg Ritschel
DESCRIPTION:<h2>An Algorithm for Gradient-based Dynamic Optimization of UV Flash Processes</h2>\n<p style="margin: 0cm 0cm 10pt;"><span></span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>Flash processes are relevant for production optimization of oil reservoirs where the temporal evolution of the reservoir temperature is significant and when compositional models are used.</span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>We consider optimal control problems in which differential-algebraic constraints represent dynamic vapor-liquid equilibrium processes without spatial effects. The dynamic optimization method single shooting is used to transcribe the optimal control problem into a nonlinear program (NLP) and an adjoint algorithm is developed for computing gradients that are necessary for a gradient-based optimization algorithm to solve such an NLP.</span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>We consider an example of optimal tracking for a dynamic UV (isochoric-isoenergetic) flash process and compare two variations of numerical integration of the differential-algebraic equations.</span></p>
X-ALT-DESC;FMTTYPE=text/html:<h2>An Algorithm for Gradient-based Dynamic Optimization of UV Flash Processes</h2>\n<p style="margin: 0cm 0cm 10pt;"><span></span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>Flash processes are relevant for production optimization of oil reservoirs where the temporal evolution of the reservoir temperature is significant and when compositional models are used.</span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>We consider optimal control problems in which differential-algebraic constraints represent dynamic vapor-liquid equilibrium processes without spatial effects. The dynamic optimization method single shooting is used to transcribe the optimal control problem into a nonlinear program (NLP) and an adjoint algorithm is developed for computing gradients that are necessary for a gradient-based optimization algorithm to solve such an NLP.</span></p>\n<p style="margin: 0cm 0cm 10pt;"><span>We consider an example of optimal tracking for a dynamic UV (isochoric-isoenergetic) flash process and compare two variations of numerical integration of the differential-algebraic equations.</span></p>

URL:https://www.cere.dtu.dk/calendar/2016/02/cere-seminar-by-tobias-kasper-skovborg-ritschel
DTSTAMP:20260518T042100Z
UID:{84F843D8-FE2D-4344-8E4C-E2056AFF900D}-20160218T090000-20160218T090000
LOCATION: Building 229, room 003
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