03 March 2024 1 8K Report

Hi I am trying to simulate the crack propagation in 3 point bending by using Phase-field cohesive zone method, but I always have a convergence issue at 0.046s. Could you please help me?

Here are some settings.

More Zhuoyuan Leng's questions See All
How to solve ABS pellets early melt by using 3devo filament maker?

Hi all, I am trying to use the 3devo filament maker to make my own filament. 1 I first dissolve the ABS pellets bought form 3Dxtech and then use ultrasonicator to mix the ABS and nano SiO2...

22 April 2024 4,433 2 View

DeltaCt for BSP Methylation?

How to determine the DeltaCt for the BSP when you have two probes (fluorophores) for Methylated and Unmethylated?

24 October 2021 9,927 0 View

How to calculate the electrostatic force on a floating plate in a corona discharge region?

Hi, I recently have some questions about a floating plate in a corona discharge region. Please see the picture, the corona discharge is produced by a wire-cylinder configuration, the wire is...

16 July 2020 330 2 View

How to deal with small objects in object detection?

What are the characteristics of small objects and how to design an algorithm based on the characteristics ? To my knowledge, feature fusion and context learning are usually used to improve object...

08 March 2020 4,526 9 View

Co culture of human epithelial keratinocytes and human dermal fibroblasts using a single medium?

Hi, I am new to this area and am intending to culture both primary cells line: human keratinocytes and human dermal fibroblasts using the same media for co-culture. Was thinking if anyone can...

15 February 2020 7,448 3 View

How to I proceed for frequentist network meta-analysis after using reducing weights approach?

Dear colleagues, I am planning to conduct a random effects frequentist network meta-analysis based on continuous outcomes. As my samples has split-mouth and multi arm trials, I have implemented...

11 February 2020 10,022 2 View

Is placebo + active control still considered a placebo? which arm to include in pairwise meta-analysis?

Hi, I would like to ask whether a placebo + active control arm is still considered a placebo. In dentistry, scaling and root planing is considered an active control. There are studies especially...

07 January 2020 8,493 1 View

What does this mean in terms of two-way ANOVAs: When something is preidcted, even if it involves testing multiple times, you do not need to adjust?

I've conducted two-way ANOVAs and I'm trying to clarify what my supervisor means when he says: "When you analyze components of an interaction you do not have to adjust for multiple testing when...

19 August 2019 1,848 6 View

Study selection for network meta-analysis?

Dear researchers, I am new to network meta-analysis and mostly self-learned therefore forgive me if my question sounds imprudent. I am planning to conduct a research on local adjuncts to treat a...

14 April 2019 8,380 2 View

Still looking for participants: Would anyone like to take part in my study?

Thank you to everyone who has completed by questionnaire already - 654 people have completed it which means I have raised £654 towards mental health charities. It's a short, 10 minutes, online...

13 September 2018 8,008 1 View

Similar questions and discussions
Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

When I simulate for S parameters using ADS, I have faced this issue that I have attached. Please anyone clarify me?

...

31 July 2024 1,671 3 View

Wrong out put for gmx x2top?

Dear users, I would like to simulate a zeolite structure in gromacs. I got the .cif file from IZA expanded in one direction in Materials Studio and exported a .pdb file. However, when I want to...

24 July 2024 367 4 View

How to get LP fiber modes directly from Comsol?

Hi there, I'm new to modelling with comsol. I would like to ask if it is possible for comsol to output linearly polarized (LP) modes? I tried modelling a simple single mode fiber with an enlarged...

23 July 2024 4,019 3 View

Can anyone help with this comsol error? Pleaaaase I need help !!?

Undefined variable. - Variable: comp1.cNa - Géométrie: geom1 - Domaine: 1 Failed to evaluate expression. - Expression: comp1.cNa - Affichage: Graphique sur ligne 1

19 July 2024 1,938 2 View

Why electrical charge on the moving plate increase?

Hi, everyone This figure depicts a simulation of an electrostatic energy harvesting system in COMSOL Multiphysics software. My question is regarding the relationship between the changes in...

19 July 2024 4,694 4 View

Why does the error "The relative error (0.29) is greater than the relative tolerance" appear in Comsol Multiphysics?

Hello, My name is Radu Jubleanu, I am a PhD student at the Politehnica University of Bucharest. I work in the field of magnetic storage in superconductors. I want to carry out a numerical study of...

15 July 2024 6,025 1 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

Can a private laptop with 16GB RAM and Intel i5-1235U 1.3 GHz processor be used for WRF simulation with a 12*12 km domain?

I want to simulate WRF for a 12*12 km domain size. I want to run LSM and BSM models with a 5 minutes time interval. My laptop specification is 16GB RAM and Intel i5-1235U 1.3 GHz processor. Can I...

13 July 2024 2,037 0 View

I have need a LPBF/SLM model on comsol multiphysics ?

In this model clearly understanding how to active one layer to another layer and how to add powder material properties step by step.

08 July 2024 6,147 0 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close