Open AccessDevelopment of a structurally similar element of a helicopter blade with an active twist system
Author(s) -
А. Н. Аношкин,
E. Barkanov,
P. V. Pisarev,
V. A. Ashikhmin
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/709/4/044013
Subject(s) - boundary value problem , actuator , helicopter rotor , piezoelectricity , blade (archaeology) , twist , rotor (electric) , finite element method , materials science , structural engineering , mechanical engineering , control theory (sociology) , engineering , computer science , mathematics , mathematical analysis , composite material , control (management) , geometry , electrical engineering , artificial intelligence
A mathematical model is formulated for calculating the stress-strain state (SSS) of piezoelectric layered polymer composite materials (PCM) equipped with a control piezoactuator. The model implements the principle of thermo-piezoelectric analogy, which allows to move from the coupled boundary value problem of electroelasticity to the boundary value problem of thermoelasticity. The mathematical model was tested with a numerical calculation of the mechanical behavior of a sample structurally similar to a rotor blade, equipped with control piezo-actuators and made of equal strength and unidirectional fiberglass.