The spinning process in a washing machine is a source of undesire vibrations and noise and may cause discomfort both to the user as well as for the machine itself. Vibrations have impact on system lifetime, reliability of operation and capacity. The manufacturers of this product compete for sale with the highest quality products. Manufacturers are interested in increasing the size of the laundry dryers in order to reduce their washing time. However, the shaking of this product causes customer dissatisfaction. Therefore, the issue of analyzing and the vibration of washing is one of the main issues of manufacturers. Having a reliable model, they can apply appropriate solutions to reduce vibrations on the product. On the other hand, they have led to a huge amount of prototype production cost, which can be modeled to predict the washing machine vibration behavior. This research, with the collaboration of the Entekhab Group, has been devoted to modeling and verifying the vibration patterns of the laundry. The problem is divided into two parts. The tub was modeled in the Adams and the cabinet was modeled in Abaqus software. Each of these modeling is compared with experimental results. After veryfiy the model, various effective factors have been analyzed. In this thesis a numerical model for a horizontal axis washing machine is presented. The model using a theoretical-experimental methodology. The tub model is implemented in the MBS environment Adams/View from MSC Software. An undesirable impact of washing machine operation on surroundings is vibration and noise. Also the study presents design for housing in order to reduse the wasing machine vibration. Validation of the developed computational models has shown acceptable agreement both with tub dynamics as well as forces transmitted to the cabinet structure. Keywords: Adams, Vibration, Washing Machine, Modeling, Experiments, Vibration dynamics, cabinet