Abstract
PurposeThe aim of this research paper is to design a motor holder in order to minimize the weight of the motor and to reduce its vibrations causing noise pollution.Design/methodology/approachTo meet the requirements of the purpose the use of cellular lattice structures is ideal. Lattice structures ensure both low mass and high strength. Moreover, their absorption properties are relatively interesting concerning the attenuation of vibrations.FindingsThe result of this paper shows that lattice structure can answer to the need of different fields such as aeronautics in the design of lightweight structures which are strong with a low mass. Indeed, the weight of the final structure of the holder is 0.92 g and its safety factor is 5.1 which met the requirements.Research limitations/implicationsThe limitations of the research paper were the RAM capacity of the computer.Social implicationsTo minimize the weight of the holder in a patroller or a plane is to reduce the consumption of fuel. Moreover one of the reasons of optimizing the vibrations is to reduce noise pollution.Originality/valueThis paper is directed to students, designers who want to know more about the use of lattice structure and more precisely honeycomb sandwich structure.
Highlights
The purpose of this assignment is to design the holder of the motor used for the Patroller of Safran Defence
The vibration analysis: The aim of this simulation is to verify that the natural frequency of the unit cell and the holder are different from the natural frequency of the motor
It is in the center that the workpiece is subjected to the most stress, which is why the stress is greatest. This stress passes through the Sandwich structure
Summary
Keywords Lattice structures, Unit cell, Sandwich structures, Vibrations, Static analysis, Frequency, Lightweight, Strength, Absorption, Honeycomb, Hexagonal, Holder The Patroller structure has high requirements such as the holder of the motor. The main objective of this assignment will be to verify if the use of a lattice structure for the holder of the motor can be optimal and carry out the needs of the support without compromise its strength. The advantage of this unit cell is its low mass, a low volume and a high strength (See Figure 1).
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