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Forum Maschinenbau Rostock • Thema anzeigen - Konsultation
Seite 1 von 1

Konsultation

BeitragVerfasst: Mo 30. Jan 2012, 08:48
von Razer
moin,
wird es es eine Konsultation geben und wann soll die sein?
ich meine mich daran erinnern zu können, dass er gesagt hat, dass wir noch eine machen wollten. Hat er da in der do-Ü noch was zu gesagt?

Re: Konsultation

BeitragVerfasst: Mo 30. Jan 2012, 10:10
von rene.zielke
Er hat nur gesagt, dass er noch einen Termin bekannt geben wollte.

Re: Konsultation

BeitragVerfasst: Mo 30. Jan 2012, 10:58
von rene.zielke

Re: Konsultation

BeitragVerfasst: Mo 30. Jan 2012, 20:39
von Rico

Re: Konsultation

BeitragVerfasst: Mi 1. Feb 2012, 13:06
von Razer
moin, kann nochmal jmd den genauen unterschied zw. explizit und impliziten verfahren kurz erklären?

Re: Konsultation

BeitragVerfasst: Mi 1. Feb 2012, 15:54
von rene.zielke
Bei Expliziten Verfahren wird das x_k+1 nur mit Hilfe von zuvor Berechneten Werten bestimmt (x_k ; x_k-1 ...)
Bei impliziten Verfahren werden auch berechnete Werte selber zu ihrer Berechnung hinzugezogen ( also x_k+1 wird mit Hilfe von x_k+1 bestimmt)

Re: Konsultation

BeitragVerfasst: Do 2. Feb 2012, 08:15
von TomKurdewan
Implizite Verfahren sind nur numerisch zu lösen.

Du kannst aus dem impliziten Euler-Verfahren durch einsetzen des expliziten Euler-Verfahrens aber auch ein explizites Verfahren machen.
Das nennt sich dann modifiziertes Euler-Verfahren.

Re: Konsultation

BeitragVerfasst: Do 2. Feb 2012, 17:21
von Razer
moin, danke erstmal, ich hab noch paar fragen zum prüfungsstoff:
1. was meint er denn mit Zustandsgleichungen? (nur welche es gibt also kaptiel 2.2.)
2. Lösung von lineraren zeitinvarianten systemen? (also nur Zustandsgleichung aufstellen, triviale dgl, umstellen und inverse massenmatrix von links, in homogene lös: eigenverhalten also eigenwert+eigenvektor und in partikuläre lös
Phasenfrequenzgang+Amplitudenfrequenzgang und wissen was das so ist?)
3. und Übergang von gegebene DGL zu numerische differenzengleichung am bsp euler? (wann hatten wir das bzw hat jmd ein bsp?)
wär coll wenn sich mal jmd äußern könnte
danke schonmal