G. Atmeh, F. Darwish, and Z. Hasan
Jordan University of Science and Technology, Irbid, Jordan
Texas A&M University, College Station, TX, USA
The present study focuses on the design and analysis of a single-engine, propeller-driven general aviation airplane. Initial weight estimation based on the initial sketch and the design mission profile is conducted. The estimated weight and other design parameters are used to define the external geometry of the fuselage, wing and tail. Conic lofting is utilized to render a layout of the design ...
Y.F. Wang, Y.S. Wang, L. Wang
Institute of Engineering Mechanics, Beijing Jiaotong University, Beijing, China
Department of Mechanical Engineering, Østfold University College, Halden, Norway
We show in this paper that by careful design of the geometry of the resonators, complete bandgap with relatively low center frequency can be obtained for 2D and 3D Phononic Crystals with resonators. The generation of the bandgap is due to the local resonance of the unit cell. Spring-mass and spring-pendulum models are developed to predict the boundaries of the complete bandgap. The predicted ...
K. C. Koppenhoefer, J. Thomas, J. S. Crompton
AltaSim Technologies, LLC., Columbus, OH, USA
Computational tools based on the finite element method have been used extensively to develop solutions for elastic and elastic-plastic fracture mechanics problems. This work uses a small-scale yielding model to compare results developed from COMSOL Multiphysics® with another finite element modeling package and analytical solutions. Analysis are conducted for elastic, and elastic-plastic ...
M. Curatolo , L. Teresi ,
 Department of Engineering, Università Roma Tre, Roma, Italy
 Department of Mathematics and Physics, Università Roma Tre, Roma, Italy
Our goal is to reproduce the key features of carangiform swimming by running 2D simulations which fully exploit the Fluid-Structure Interaction interface of COMSOL Multiphysics software. Fish swimming is an important area of research, with relevant developments on biomechanics, robotics and mathematical modeling. Usually, in fish swimming simulations, the motion of the fish is assigned, and much ...
Lamb Waves and Dispersion Curves in Plates and It’s Applications in NDE Experiences Using Comsol Multiphysics
P. Gómez, J. P. Fernandez, and P. D. García
Hydro-Geophysics & NDE Modeling Unit
University of Oviedo
In this paper, a model for numerically obtaining lamb wave modes and dispersion curves in plates is presented. It is shown that COMSOL Multiphysics can be employed to simulate the behavior of guided waves in dispersive plates, which is useful for NDE applications. A two dimensional steel plate (4x0.1 meters) is excited with a space-time impact point source. To model the point source, we use ...
D. van den Ende
Holst Centre / TNO, Eindhoven, The Netherlands
Ultra-thin chips of less than 20µm become flexible, allowing integration of silicon IC technology with highly flexible electronics. This combination allows for highly intelligent products of unprecedented thinness, flexibility and cost. Examples include sensor systems integrated into food packaging or healthcare and sport monitoring tags as wearable patches or even directly in clothing textile ...
P. Hanasi , B. G. Sheeparamatti , V. Abbigeri , N. Meti ,
 Visvesvaraya Technological University, Belagavi, Karnataka, India
Capacitor is mainly defined as two conducting plates that can hold the opposite charges on it. These plates can be used either as a sensor or an actuator. If the relative distance between the two conductors changes as result of given input, then capacitance values will change. This results in basic of capacitive or electrostatic sensing configuration. On the other hand, if a voltage or the ...
A. Prasad , R. C. Thiagarajan ,
 ATOA Scientific Technologies, Bengaluru, Karnataka, India
A Shock absorber is a mechanical device engineered to absorb high impact load and provide comfort while riding on a rough roads. Suspension springs are the key components of a shock absorber to resist critical impact loads and provide ride comfort. The cylindrical spring designs comes with several limitation which can not operate under heavy impact loads. This experiment deals with the ...
E. Varadarajan, M. Bhanusri,
Research and Innovation Centre (RIC), IITM Research Park, Chennai, Tamil Nadu, India
Department of Physics, Indian Institute of Technology (IIT) Madras, Chennai, Tamil Nadu, India
In this paper we made an attempt to maximize the power output in the different piezoelectric materials in a unimorph cantilever beam configuration. In this research, a macro scale unimorph piezoelectric power generator prototypes consists of an active piezoelectric layer, stainless steel substrate and titanium proof mass was designed for frequencies 60 Hz - 200 Hz. An analytical model of a micro ...
T. Madhuranath, R. Praharsha, K. Srinivasa Rao
Lakireddy Bali Reddy College of Engineering, Mylavaram, Andhra Pradesh, India
Access to electricity has become a major problem. In the process of solving this problem we should consider even a small source of electricity. Piezotyres are made to produce electricity from vehicle tyres. For this we have used a piezoelectric property, one of the natural wonder. COMSOL Multiphysics® was used to design and simulate it virtually. We have used different materials in the software ...