Waves

Review and cite WAVES protocol, troubleshooting and other methodology information | Contact experts in WAVES to get answers

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Questions related to Waves

Would you happen to know the answers to the following urgent questions?

Would you happen to know the word/concept properly? Do you understand the language (word/concept) correctly? Can you properly develop any cultural, scientific, or cognitive field? Can you add new...

24 March 2023 916 5 View

Hydrostatic coefficient for generalized flexible modes. Which formula is correct?

1) Newman (1994, Applied ocean research) provided the formula which is widely referred, and the component due to gravity is missing from the paper. 2) Senjanovic (2008, Ocean Engineering) shows a...

24 March 2023 4,106 2 View

How to obtain feed source taper value for a reflector antenna in CST?

Hello, In different articles about reflector antennae, I see the writers provide feed source taper value( for instance in the level of -10dB to -15dB).I need to know how to obtain this value for...

24 March 2023 5,739 1 View

Is atmospheric pressure always equal to one & do atmospheric pressure act in all directions & which type of pressure is the same in all directions?

Is atmospheric pressure always equal to one & do atmospheric pressure act in all directions & which type of pressure is the same in all directions?

23 March 2023 1,167 2 View

Is anyone working on the assessment of bridge structural health based on whole-body signatures?

By whole-body I mean a single dynamic measurement that contains the health measures for a bridge. Not, for example where multiple vibration sensors are placed at locations and their data...

20 March 2023 455 1 View

Anyone working on electron mass measurements ?

Somewhere in the world there must be a bunch of scientists working to establish a more accurate value for the mass of the electron. NIST publishes an updated value every 5 years, so I assume...

20 March 2023 7,945 15 View

Call for Papers: JMSE Special Issue "Coastal Disaster Assessment and Response". Are you interested in contributing to our SI?

Dear Colleagues, There has been a substantial increase in the intensity, frequency, and duration of extreme natural events (e.g., hurricanes, storms, tsunamis, and landslides) over the past four...

20 March 2023 1,835 0 View

Nonlinear Magnetoplasma Measurements Due To Impulse Excitation?

Does anyone know of any laboratory measurements demonstrating the nonlinear pulse excitation of magnetoplasmas? I did a thesis back in 1971 using baseband high voltage picosecond pulses showing...

16 March 2023 2,677 0 View

Which Version of Fortran (Fortran77,90 or 95) does abaqus support for running user subroutines?

Abaqus is a popular finite element analysis software used for simulating a wide range of engineering problems. One of the unique features of Abaqus is the ability to incorporate user-defined...

14 March 2023 1,309 2 View

How can I analyze LabChart file (.adicht) using Matlab?

Dear Concern, I am using Wire Myograph Technique to do a vascular reactivity experiment. The data is generated in the LabChart software from which we need to extract the required values (i.e....

27 February 2023 4,447 2 View

Fortran 90 "Numerical Recipes" : how to use?

I'm trying to use the sources of "Numerical Recipes" related to Fortran 90, but I can't figure out which libraries to compile before using these "Recipes".

24 February 2023 4,965 1 View

What is meant by body matched antenna? Does the permittivity of substrate effect the far field of antenna? How much?

I have to design a body matched antenna to measure sugar level.

14 February 2023 8,662 5 View

Monitoring **Multiple Convergence Plots (Or Probes)** In Cluster Sweep (Distribute Parametric Sweep)?

Hello, I'm COMSOL newbie working on cluster computing. I'm using distributed parametric sweep mode, in which each server node solves a single problem (ex. Node 1 - Inlet fluid velocity 1m/s, Node...

06 February 2023 1,120 1 View

A negatively charged electron cloud surrounds the positively charged nucleus of an atom. Why can't it collide with a proton?

How to explain this to class 8 students

05 February 2023 1,447 7 View

WRF model -how to increase the levels of the intermediate file of ungrib (modify press_pa)?

Hello, Is there any possibility to interpolate the intermediate files of ungrib to have more levels in the first Km above the ground ? For example instead of having by default : press_pa =...

24 January 2023 3,565 0 View

Finding a solvent to remove 2,4,6 trihydrazine 1,3,5 triazine from the mixture?

2,4,6 trihydrazine 1,3,5 triazine is found to be insoluble in most of the solvents like DMSO, Chloroform. Is there any solvent available which can remove this compound?

23 January 2023 6,194 3 View

Do you know how to compute the band structure of out-of-plane mode for 2D phononic crystals by COMSOL?

I've been trying to find out how to set up the z-axis k-path when calculating 2D PnCs for z mode, haunting me for months. I'd appreciate that if anyone could help me out. Thank you all.

21 January 2023 3,347 3 View

How many full waves are required to accurately estimate the frequency of a signal segment?

Hello, I am a researcher working on GNSS Interferometric Reflectometry (GNSS-IR). The signal segments we work on may not always contain many waves. Hence, I need an expert opinion on how I should...

19 January 2023 5,480 7 View

What is the most promising turbulence model for predicting separation?

In compressible flows, would improvements based on the SST K-Epsilon turbulence model , such as the use of AI，be a more promising direction in engineering. ten or thirty years from now, will the...

15 January 2023 3,207 1 View

Why the von misses stress not coming back to zero, if the member has been yielded ? Under Seismic Analysis?

I have performed the seismic analysis on steel structure. After that some parts have been yielded and some are not. Now, in case of yielding, the von misses stresses are not coming back to zero?...

13 January 2023 7,827 1 View

How to simulate a parallel plates Holographic antenna?

Dear all, I am trying to reproduce the simulation results in the paper "Design and Analysis of a Reconfigurable Holographic Metasurface Aperture for Dynamic Focusing in the Fresnel Zone," which...

11 January 2023 6,273 0 View

What are the influence of emotions on the normal functioning on human organs?

Based on Mental health.

05 January 2023 996 4 View

What is the concept of the stress intensity factor as defined by Irwin and its utility?

The ʺstress intensity factorsʺ concept is known from Irwin (1948, 1957) who linked these to the energy release rate (crack extension force per unit length of the crack front) in the case of a...

05 January 2023 9,114 2 View

Does anyone know how to use arbitrary wave generator and oscilloscope to measure synaptic weight update or conductance vs pulse number graph?

I need conductance vs pulse number data for implementing in NeuroSim which can provide me the accuracy of my fabricated device for MNIST. My lab cannot afford Keithley 4200 PMU which is normally...

05 January 2023 9,815 0 View

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