AskDefine | Define softening

Dictionary Definition

softening adj : having a softening or soothing effect especially to the skin [syn: demulcent, emollient, salving] n : the process of becoming softer; "refrigeration delayed the softening of the fruit"; "he observed the softening of iron by heat"

User Contributed Dictionary



  1. present participle of soften

Extensive Definition

Softening is a numerical trick used in N-body techniques to prevent numerical divergences when a particle comes too close to another (and the force goes to infinity). This is obtained by modifying the gravitational potential of each particle as
\Phi = - \frac
where \epsilon is the softening parameter. The value of the softening parameter should be set small enough to keep simulations realistic.

Synonyms, Antonyms and Related Words

Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1