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Computational modeling of dynamical systems
2005 (Engelska)Ingår i: Mathematical Models and Methods in Applied Sciences, ISSN 0218-2025, Vol. 15, nr 3, s. 471-481Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this short note, we discuss the basic approach to computational modeling of dynamical systems. If a dynamical system contains multiple time scales, ranging from very fast to slow, computational solution of the dynamical system can be very costly. By resolving the fast time scales in a short time simulation, a model for the effect of the small time scale variation on large time scales can be determined, making solution possible on a long time interval. This process of computational modeling can be completely automated. Two examples are presented, including a simple model problem oscillating at a time scale of 10(-9) computed over the time interval [0, 100], and a lattice consisting of large and small point masses.

Ort, förlag, år, upplaga, sidor
2005. Vol. 15, nr 3, s. 471-481
Nyckelord [en]
modeling, dynamical system, reduced model, automation
Identifikatorer
URN: urn:nbn:se:kth:diva-14652ISI: 000228107100006OAI: oai:DiVA.org:kth-14652DiVA, id: diva2:332693
Anmärkning
QC 20100525Tillgänglig från: 2010-08-05 Skapad: 2010-08-05 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Jansson, JohanJohnson, Claes
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