Do you need participants for an online study in Hebrew?

Dear Israeli students and researchers, You are invited to post your studies on the subreddit for surveys/studies in Hebrew (for free): https://www.reddit.com/r/Surveys_in_Hebrew/ Hopefully this...

12 November 2020 292 3 View

How to compare two time-series data?

We have measured EMG during walking in two different population, and would like to compare their muscle activity. While some former studies have used statistical inference (i.e. t-tests for max...

01 January 2020 7,099 4 View

What is the formula to compute the length of microstrip line to mimic open circuit?

I need to design microstrip log-periodic array antenna. To conect the patchs between each other I need to conect with microstrip lines that mimics open circuit. What is the formula to compute the...

27 October 2019 8,225 2 View

Do some one want to Validate the simulation results of CST MWS with ANSYS HFSS?

I am looking for partner/student that will cooperate with me, so he will do the validation of my simulations at CST MWS with ANSYS HFSS. Any one from this fourum familliar with ANSYS HFSS so I...

05 September 2019 4,021 3 View

How to define at CST optimizer Side Lobe Level (SLL) goal?

I designed microstrip array antenna at 110GHz at CST MWS with taylor amplitude distribution and I get the wanted taylor amplidute coefficients with help of Matlab software to SLL=-30 dB. With...

28 April 2019 9,523 3 View

Calculate the taylor amplitude coefficient of desired side lobe level at microstrip serial array antennas?

How can I calculate the taylor amplitude coefficients of desired side lobe level at microstrip serial array antennas?

16 March 2019 1,729 2 View

How to calculate post-hoc power analysis?

Hi again, We conducted a study which was consisted of 6 repeated measures performed on a single group.We used repeated measures one-way ANOVA for that purpose, and received significant results,...

04 January 2019 686 7 View

How to improve bandwidth (BW) of serial feed microstrip array antenna?

1. I need to design and simulate serial feed microstrip array antenna at frequency of 120 GHz. 2. How can I improve the bandwidth (BW) of the serial feed microstrip array to 10% at least? 3. Can...

06 December 2018 7,139 4 View

Power calculation for linear regression?

Hi, We conducted a small preliminary research that included a multiple linear regression model. Then I tried to calculate its power using an online post-hoc power calculator for multiple...

02 November 2018 4,745 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View