Measure strain of concrete structure which use EROSION criteria (MAT_000)?

Hi everyone, I am working on soil-box tunnel structure interaction under earthquake loading. The solid element is used to model soil and concrete structure both. The concrete structure is...

08 September 2018 6,224 0 View

How to calibrate PDMY nonlinear soil model parameters?

Hello everyone, I want to use PDMY model to run soil-structure interaction in OpenSees but I dont know how to calibrate parametes else if I had shear wave velocity and density. Is there anyone...

10 November 2017 2,747 0 View

How to define Soil-structure contact in LS-DYNA?

09 October 2017 7,318 4 View

Relationship of tensile strength, compressive strength and elastic modulus of normal weight concrete?

Dear all, There are many equations about the relationship of tensile strength, compressive strength and elastic modulus of normal weight concrete. May anyone help me some recommendations such as...

11 December 2016 4,850 13 View

What is no-slip or full-slip conditon?

03 April 2016 5,424 5 View

Have anyone ever used Flac software to perform tunnel?

qw

02 March 2016 5,055 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Is there any research regarding how training and development is going to change in the era of Fourth Industrial Revolution?

As the organizations getting prepared for the fourth industrial revolution, to enhance the skills of their workforce what type of changes are necessary and going to occur in the training and...

01 March 2021 3,199 3 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

In Machine Learning, isn't the problem Out-of-Distribution (OOD) instances really a form of over training?

If (1) the over training manifests itself in failure against instances that are new or excluded from the training set, and if (2) OOD instances are problematic because they are new and by...

18 February 2021 4,839 2 View

Any methods to train a neural network with random (stochastic) and non-measurable variable?

Dear scholars, I was wondering if there are any scientific methods to train a neural network or ANFIS when one of the input variables is stochastic (random) and more importantly non-measurable?...

17 February 2021 1,909 3 View

Can we Use a Dataset having no captions to train an image captioning model?

Actually I want to train a medical image captioning model but the dataset on which I want to train this model does not have captions/reports for the images. So can we use such dataset to train an...

14 February 2021 7,021 2 View

How can I check similarity between two signatures?

I want to train a model that should predict if a given signature is a genuine or a forged one. The model should take two images as input. One is the real signature, and the other is to be...

11 February 2021 4,436 3 View