2D Piezocomposite Array Measuring Crosstalk and Evaluating Surface Dilation Quality

April 17, 2018By Kevin ChanPresentations No Comments

Summary of the OnScale Simulation This example created with OnScale shows the modal displacement of a 7×7 element 1-3 piezocomposite phased array. This analysis is ideal for measuring crosstalk, and evaluating surface dilation quality. Below are several of the possible applications of this example: Medical imaging HIFU Sonar NDE Fingerprint sensing Technical details of the … Read More

Defect Detection using Flash Thermography

April 17, 2018By Kevin ChanPresentations No Comments

Summary of the OnScale Simulation¬†using Flash Thermography The simulation using Flash Thermography demonstrates the application of a heat flux to the surface of the steel plate. The simulation replicates the thermographic inspection techniques of using heat to analyze components. Thermography is a powerful technique in NDE for rapid identification of defects in a range of … Read More

Design of a Class IV Flextensional Transducer

April 17, 2018By Kevin ChanPresentations No Comments

Summary of the OnScale Flextensional Transmitter Simulation The simulation analyzes the design of a Class IV Flextensional transmitter using titanium caps to maximize surface displacement. The most popular deployments of flextensional transducers include low ultrasonic frequencies applications from sonar to surgical actuation. Flextensional devices are compact and achieve high vibration amplitudes for a relatively low … Read More

Aluminium Honeycomb Composite Structure

April 17, 2018By Kevin ChanPresentations No Comments

Summary of the Aluminium Honeycomb Simulation The video shows a pressure load applied to the top Carbon Fibre Reinforced Polymer (CFRP) skin layer on a curved aluminium honeycomb structure. The plot of velocity magnitude (z-component) allows us to visualize the propagation of the wave through a non-defective component. The microstructure of composite structures significantly increases … Read More

Phononic Crystals

April 17, 2018By Kevin ChanPresentations No Comments

Phononic crystals are synthetic materials that are formed by periodic variation of the acoustic properties of the material (i.e., elasticity and mass). One of the main properties of the phononic crystals is the possibility of having a phononic bandgap. A phononic crystal with phononic bandgap prevents phonons of selected ranges of frequencies from being transmitted … Read More

Tonpilz Transducer Simulations

April 17, 2018By Kevin ChanPresentations No Comments

Tonpilz devices are able to achieve a combination of low frequency and high sensitivity in a compact footprint which makes them ideal as projectors for sonar applications. OnScale can accept models from CAD as well as generating models from simple wizards which makes modelling a single or a multi stack array very straight-forward. With our … Read More

Capacitive micromachined ultrasonic transducers (cMUTS)

April 17, 2018By Kevin ChanPresentations No Comments

Micro-machined Ultrasonic Transducers are sophisticated devices which must take into account 3D effects, multiple element types and nonlinear performance. The capabilities of OnScale is demonstrated by the simple 2D axisymmetric CMUT model which is setup with a variety of design conditions: an initial bias voltage under atmospheric pressure using contact elements to allow Collapse mode … Read More