How can cyclic symmetry be defined in dynamic, implicit analyse in Abaqus?

Hi, I need some support to define cyclic symmetry in dynamic, implicit analyse. As I have found out that cyclic symmetry under interactions is only usable in static, visco, frequency, steady...

10 November 2018 3,315 4 View

Why is ETOTAL negative in ABAQUS Quasi Static Analyse?

Hi, I did an quasi static analyse. As a result of my analysis, total energy of the output set (etotal) is everytime negative and after some steps etotal increases exponentially in negative area....

31 December 2017 10,202 6 View

How can I find out the rotational stiffness of the bearing with static structural analysis?

Hi, I have some problem about the rotational stiffness of the bushing. Actually, I would like to change the bearing balls with bushing joints in ANSYS Workbench. I have a normal bearing with the...

10 November 2016 3,911 3 View

Is it possible to have different damping ratios in different mode freqeuncies for isotropic one part structure in reality?

Hi, I am trying to validate the results of test and simulation. When I applied a constant damping ratio for every mode freqeuncies, I have similar response for some of the mode frequencies...

08 September 2016 2,112 8 View

How can I remove orientation node from beam element in ANSYS WB?

Hi, I have a problem with orientation nodes of beam element in ANSYS. My Structure: - 3D Structure (Every node have 6 DOF) - 12 Beam Elements - 13 Nodes - 2 Fixed supports at the edges - After...

01 February 2016 6,843 3 View

How can I find Mode Shapes of MDOF Damped Structure in MATLAB?

Hi, I have some problems with mode shapes. First of all, I have eigenvectors and eigenvalues of the structure (state space solution) which has 4 elements and 18 DOF. Now, I want to...

31 December 2015 1,363 8 View

Why I have different results than ANSYS WB when I calculate the eigenfreqeuncies with ANSYS stiffness and mass matrices?

11 December 2015 7,593 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View