How to interface Semi conductor physics and Fluid flow physics in COMSOL?. What are the parameters to be considered while we interface them?

I am using a silicon nano wire in microfluidic channel to identify the some changes in parameters like voltage and current. but i am unable to interface them. the two physics run individually but...

10 January 2021 8,894 1 View

Is there any analytical model to asses impact of rigid projectile on monolithic deformable plate?

I am trying to select suitable element type (Solid or Shell) for impact analysis. I have tried with both solid and shell elements. The results are same for both element types up to certain impact...

08 January 2021 3,251 4 View

Why internal energy absorbed during impact is different when simulated with solid and shell elements using abaqus?

I am trying to simulate high velocity impact of rigid spherical projectile on a rectangular plate using Abaqus Dynamic Explicit. Particulars of Projectile Diameter : 12 mm Mass : 7.05g,...

04 January 2021 10,022 3 View

Can anyone suggest how to find proper OFDM MIMO Simulink model ?

I am doing my research on a communication system. I need a Simulink model with MIMO OFDM anyone of you could suggest me to find the total OFDM transmitter and OFDM receiver Simulink design model

21 December 2020 3,709 1 View

What are the challenges in Machine Learning to integrate it with Mobile Adhoc Network ?

What are the challenges in Machine Learning to integrate it with Mobile Adhoc Network

21 September 2020 3,881 5 View

How to calculate Poisson's ratio for sandwich panel?

I am simulating the compression test of the sandwich structure in Abaqus. How can I calculate? Please suggest me a method to overcome this problem. Thank you

05 July 2020 4,085 10 View

How can we test size and shape of nanoparticle?

There are many ways of measuring directly or indirectly the particle size at the nanometer scale, how can we test the nanoparticle size with good precision?

23 June 2020 139 28 View

Why nanotechnology is unique?

Nano is unique: properties, design and synthesis, applications, technology Nanotechnology is a common frame that integrates all disciplines: almost all fields have interest in nano (physic,...

24 May 2020 368 17 View

How we can create pores on metal oxide nano particles surface to enhance light capturing inside metal oxide NPs?

In order to achieve maximum hot electrons or lattice vibrations, is there any possibility to create pores on the surface of metal oxides. can we assume low acoustic impedance of materials under...

13 May 2020 7,235 4 View

Which is the concise introduction textbook for Nanotechnology course?

I'm looking for a very good textbook on Nanotechnology that can be given for the final year BSc students in physics and materials science could anyone suggest a book?I

12 May 2020 9,265 12 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How to apply a voltage sinusoidal/harmonic load in ANSYS APDL?

Hello all, I want to simulate a Dielectric Elastomer Actuator DAE (an electrostatic-Structural analysis). I want to apply various voltages and frequencies into the DEA in the form of sine wave....

13 February 2021 3,261 3 View

Is there a way to use waveguide ports for circular antenna design in CST?

Hi, whenever i use circular array i get this error "Waveguide ports must be aligned with Cartesian coordinate planes for the transient solver" Does anyone use circular array with waveguide ports?...

09 February 2021 3,609 8 View

Silane solution and application to Glass ?

30 January 2021 7,924 3 View

Where is the active point of VCSEL?

I am now working on the coupling between vertical-cavity surface-emission laser(VCSEL) and waveguide. However, the window design for laser emission is larger than the waist of Gaussian beam...

27 January 2021 8,318 1 View

Forced Vibration Testing using FDD?

Hi, Can we use FDD algorithm for forced vibration response (sinusoidal response produced from eccentric mass vibrator)? Thanks

22 January 2021 5,851 2 View

How exactly modes are coupled into asymmetric directional coupler?

Currently I am reading one research paper regarding silicon based two and four mode division multiplexing for optical data transmission in 2 micrometer waveband. While reading I stuck at one...

21 January 2021 5,864 4 View

What is corrct way to define ports when simulating FSS and surface waves in CST?

I need to simulate a mushroom FSS and I'm struggling with the ports. What's the correct way to define them? Should I construct a proper SMA connectors, or is it enough to put a waveguide ports...

19 January 2021 6,590 4 View

How to make sure each cavity modes with same E-field distribution in COMSOL simulation?

In COMSOL Application Library, there is case about waveguide adapter. But there are some questions: 1) In boundary mode analysis, it just set to find only 1 mode and the S-parameter is...

12 January 2021 9,383 2 View

Is it possible to introduce a 2D axis-symmetric model in COMSOL Multiphysics to solve electromagnetic waves?

Hello dear researchers. I want to solve a cylindrical waveguide, lick an ordinary standard optical fiber. I am familiar enough with the 2D-axis-symmetric model, but as I knew from the equations...

11 January 2021 6,663 6 View