Changes between Version 16 and Version 17 of u/massBElight
 Timestamp:
 10/05/12 17:18:44 (12 years ago)
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u/massBElight
v16 v17 21 21 I knew I could queryovertime the Mtotal and perhaps make a clip of the box that would isolate only the ambient, and then queryovertime the Mambient. However, I checked first whether I could just treat Mambient as constant. A movie showing rho(t) of just the ambient indicated I could: 22 22 23 [[ image(ambTimeQuery.png, 35%)]]24 [[ image(rhoTimeQueryAmb.gif, 35%)]]23 [[Image(ambTimeQuery.png, 35%)]] 24 [[Image(rhoTimeQueryAmb.gif, 35%)]] 25 25 26 26 Considering the Mtot=Mtot(t) as given by Visit's query: 27 27 28 [[ image(timeQueryRho.png, 35%)]]28 [[Image(timeQueryRho.png, 35%)]] 29 29 30 I was curious where the change in mass was occurring. Since the density of the ambient, and its volume is staying constant, must be inside of the sphere... Here is a movie of the density inside of the sphere:30 I was curious where the change in mass was occurring. Since the density of the ambient, and its volume is staying constant, must be inside of the sphere... Here are some plots of the density inside of the sphere at different times: 31 31 32 [[Image(t0.png, 35%)]] 33 [[Image(t.276.png, 35%)]] 34 [[Image(t.567.png, 35%)]] 32 35 36 So, the density is changing, but is the total mass? Visit can integrate these curves, and indeed the area under the curves were different, indicating a change in the total mass of the sphere. 33 37 38 Thus, it seemed justifiable to make the assumption: 1) mass of ambient stays constant, 2) calculate M(t) of the sphere with r=1.1Rbe using the Mtot query of visit. 39 40 Using this data, I found the following curve for M(t) of this sphere: 41 42 [[Image(M(t)_with_critBE.png, 35%)]] 34 43 35 44