- Author
-
Meakin, P.
|
Donn, B.
|
Mulholland, G. W.
- Title
- Collisions Between Point Masses and Fractal Aggregates.
- Coporate
- E. I. du Pont de Nemours and Co., Wilmington, DE
National Aeronautics and Space Admin., Greenbelt, MD
National Bureau of Standards, Gaithersburg, MD
- Journal
-
Langmuir,
Vol. 5,
No. 2,
510-518,
1989
- Keywords
-
aggregates
|
simulation
|
computers
|
collisions
- Identifiers
- aggregation models; project areas; collision numbers; momentum transfer; angular distribution; friction coefficient
- Abstract
- Computer simulations have been used to investigate collisions between point masses and fractal aggregates. Three different collision models were used (specular collisions, diffuse collisions, and the equilibrium cosine scattering law) for both transparent (diffusion-limited aggregates, D ā
1.80, and ballistic aggregates, D ā
1.95, where D is the fractal dimensionality) and opaque aggregates (reaction-limited aggregates, Dā
2.09, and ballistic aggregates with restructuring, D ā
2.12).