Abstract
The interacting of two winds model and a nonspherical density functionin three dimensions is introduced to study the dynamical structure ofplanetary nebulae. A fast wind with a mechanical energy interacts with asuper wind mass-loss rate of 2 × 10-10 M ⊙ yr and avelocity of 10 km s-1. As a result it produces a dense and luminosmedium.Taking into account the above assumptions, we introduce the code(DS3D),and numerically we calculate the following physical quantities:the shell velocity, the shell radious and thickness, and other physicalquantities throughout the entire nebula.
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