Speicherplatzproblem? - <EXCEPTION>JEVEUX_62> Erreur lors de l'allocation dynamique...

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13 years 2 months ago #5235 by MGolbs
Hallo Kees Hallo Claus,

is it also important, how much RAM the Hardware have? For big modells, for example 10^6 DOF and more, I must have ... GB RAM?

Greeting Markus

Dem Überflüssigen nachlaufen, heißt das Wesentliche verpassen.
Jules Saliège

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13 years 2 months ago #5236 by MGolbs
Hallo Kees Hallo Claus,

is it also important, how much RAM the Hardware have? For big modells, for example 10^6 DOF and more, I must have ... GB RAM?

Greeting Markus

Dem Überflüssigen nachlaufen, heißt das Wesentliche verpassen.
Jules Saliège

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13 years 2 months ago #5237 by MGolbs
Hallo Kees Hallo Claus,

is it also important, how much RAM the Hardware have? For big modells, for example 10^6 DOF and more, I must have ... GB RAM?

Greeting Markus

Dem Überflüssigen nachlaufen, heißt das Wesentliche verpassen.
Jules Saliège

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13 years 2 months ago #5241 by kwou
Hoi Markus

1e6 DOFS ist schon viel.
Ich weiss nicht genau wie C-Aster seine Steifigkeitsmatrix aufbaut, aber in Prinzip ist dass DOF*Bandbreite. Bandbreite is abhaengig Model. Sag mal 0.1 % (wild guess) dann brauchts Du schon 1e6*1e3 = 1e9 Speicherplaetze. Einer/m/n Speicherplatz ist 8 bytes (Systembedingt) und 8 GB ist notwendig nur fuer die Steifigkeitsmatrix.

Schoene Gruesse - kees<br /><br />Post edited by: Kees Wouters, at: 2011/01/23 10:41

Interest: structural mechanics, solar energy (picture at 'my location' shows too little pv panels)

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kind regards - kees

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13 years 2 months ago #5243 by MGolbs
Hallo Kees,

benötige ich dafür RAM oder Disk?

Gruß Markus

Dem Überflüssigen nachlaufen, heißt das Wesentliche verpassen.
Jules Saliège

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13 years 2 months ago #5246 by MGolbs
Hallo,

I have always the Problem:

Erreur lors de l'allocation dynamique. Il n'a pas été possible d'allouer une zone mémoire de longueur 1177192296 (octets), on dépasse la limite maximum fixée à 3668967424 (octets) et on occupe déjà 3263568232 (octets). La dernière opération de libération mémoire a permis de récupérer 0 (octets).


The System have 3,6GB RAM, 29GB activ swap and 70GB discspace on /dev/solve and 30GB discspace on /. Must I have for this modell 20, 30 or more GB RAM? Why works code aster not with the swap space if RAM Size not sufficiently?

Greeting Markus<br /><br />Post edited by: MGolbs, at: 2011/01/24 12:45

Dem Überflüssigen nachlaufen, heißt das Wesentliche verpassen.
Jules Saliège
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