A comment on vitalistic principles
β Scribed by W.J. van der Steen
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 165 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0022-5193
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Constructal comment on a Fermat-type principle for heat flow Fig. 1. The generation of geometric form through the minimization of travel time: travel between two points (Fermat principle), as a simple case of the constructal principle: travel between one point and an infinity of points (volume) [4].
The time-dependent variation principle due to Frenke! is discussed t-om a new standpoint based only on the assumption that the norin of the variational function @ exists. By studying the expectation value of the frequency operatorj = ialar, one may intrcduce the conventional normalization znd a "pha