Search Results for "strain analysis"
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Showing 27 open source projects for "strain analysis"
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Basic features: 1. Generate KPOINTS, POTCAR and INCAR for a given POSCAR file; 2. Elastic-constants using stress-strain or energy-strain methods; 3. Equation-of-state fitting; 4. Suggested k-paths for a given crystal structure; 5. Optical adsorption coefficient; 6. Band structure unfolding; 7. Fermi surface; 8. Density-of-states and band-structure; 9. Charge/spin density, Charge density difference; 10. Vacuum level and work function; 11. Wave-function analysis; 12. Molecular...
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Thick-Wall Composite PV
Stress-Strain analysis of thick-wall composite cylindrical PV
TWOPV.xlsm is a macro enabled Excel workbook for calculating stress and strain in a thick-wall cylindrical pressure vessel under external hydrostatic pressure. Vessel walls are a special case orthogonal composite laminate having a 2:1 ratio of circumferential to longitudinal oriented laminae. Inputs are: 1) unidirectional composite (UDC) properties, 2) cylinder radii and 3) pressure. Documentation and examples are included. -
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DAPS4
A Fortran code for design and analysis of ring-stiffened shells
DAPS4e is an updated version of a Fortran code by John Renzi for design and analysis of monocoque and ring-stiffened circular cylindrical shells. The following failure modes are considered: • Shell stresses and displacements at mid-bay and ring-frames. • Ring-frame stress. • Axisymmetric collapse (AC). • Elastic and Inelastic Interbay Buckling. (EIB and IIB). • Elastic and Inelastic Monocoque Instability (EMI and IMI). • Elastic and Inelastic General Instability (EGI and IGI). • Ring... -
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Simple Cylindrical Pressure Vessels
Excel workbooks suitable for preliminary design and analysis
SCPV is a family of three macro enabled Excel workbooks for analysis of long cylindrical pressure vessels with flat endcaps subjected to external hydrostatic pressure. CPVanalysis.xlsm does stress and stability analyses. It plots stresses, deflections and the equilibrium path for imperfect circular cylinders showing the onset of yielding and limit points in relation to elastic and inelastic bifurcation buckling pressures. Two types of initial geometric imperfections, outer diameter out... -
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Layered-Wall Cylindrical Pressure Vessel
An Excel workbook suitable for preliminary design and analysis
LWCPV.3.zip includes: 1. A macro enabled Excel workbook (LWCPV.xlsm) for preliminary design and analysis of long cylindrical, layered-wall pressure vessels (PVs) subjected to external hydrostatic pressure. The following four types of layered-wall construction are addressed: a. Two-layer isotropic. b. Three-layer isotropic sandwich-wall; and c. Three-layer sandwich-wall with orthotropic outer layers and isotropic... -
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VOX-FE
Voxel-based Finite Element Analysis for Biomechanical Applications
VOX-FE is voxel-based FE software, developed jointly between the University of Hull's Medical & Biological Engineering Research Group and Edinburgh Parallel Computing Centre, with a sophisticated graphical user interface that allows the complex loading regimes that are inevitably present in biomechanical analyses to be readily applied to the model geometry, and the resultant 3D stress and strain patterns to be visualized easily. In addition to the introduction above, several example videos... -
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misc genomics tools
Various scripts used in sequencing, annotation and RNAseq analysis
This is a collection of various programs developed in the course of a genomics project, involving the Pseudomonas strain NCIMB10586 These include * identifying and correcting errors in an (eg) pacbio genome sequence using illumina reads * prokaryotic sequence/genome annotation * RNAseq analysis - normalisation and collation of multiple samples as a group * RNAseq visualisation All scripts are provided on a 'best efforts' basis, however due to various system changes I do not guarantee... -
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Modal Plotter
Create Strain and Kinetic Energy Density maps from FEA
Create Strain and Kinetic Energy Density maps out of a Natural Frequency extraction analysis (i.e. modal analysis). Works with a variety of FEA results format: NASTRAN, ABAQUS, Ansys, Medina/Permas. -
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LaueTools
open source python packages for X-ray MicroLaue Diffraction analysis
LaueTools is an open-source project for white beam Laue x-ray microdiffraction data analysis including tools in image processing, peaks searching & indexing, crystal structure solving (orientation & strain) and data & grain mapping visualisation. Python 3 Code and new features are now at: https://gitlab.esrf.fr/micha/lauetools -
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OptFlux is an open-source and modular software aimed at being the reference computational application in the field. It is the first tool to incorporate strain optimization tasks, i.e., the identification of Metabolic Engineering targets.
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Panacea
PAN And Core-gEnome Analysis
A tool to calculate the Pan-Genome of a set of annotated genomes -
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X-SOCS
X-ray Strain Orientation Calculation Software
The X-ray Strain Orientation Calculation Software (X-SOCS) is a user-friendly software, developed for automatic analysisof 5D sets of data recorded during continuous mapping measurements. X-SOCS aims at retrieving strain and tilt maps of nanostructures, films, surfaces or even embedded structures. For more information: http://scripts.iucr.org/cgi-bin/paper?S1600576714004506 To download the latest version of XSOCS (D. Naudet, T. Vincent, M.I. Richard, G. Chahine), follow the instruction... -
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MASH
Macros for the Application of Shadow and McXtrace
MASH integrates X-ray ray-tracing programs and finite element analysis (FEA) of heat transfer, mechanical stress and strain with the aim to simulate experimental stations at 3rd and 4th generation X-ray sources (synchrotron light sources & free electron lasers). It comes with an HTML interface. -
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PanCGP
PanCGP: Pangenome and Comparative Genome Analysis Pipeline tool
..., unique/strain-specific genes/proteins, new gene/protein families and total number of genes per strain of the specie. It also extracts the corresponding protein sequences against pan-genome, core protein and dispensable protein sequences in separate FASTA formatted text files. The tabular text format can be used to render the final results in the form of visual graphs representing the trends in gene/protein sequence analysis. -
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matgts
programs for geotechnical engineering and mathematics
Computational software for geotechnical engineering and mathematics: https://sourceforge.net/projects/matgts/files/ mtfem - finite element analysis, 2D, plane strain state (C, SDL); mtpile - analysis of a laterally loaded pile (C, SDL); mtslope - slope stability and displacement analysis using limit equilibrium (C,SDL); jswall - analysis of a diaphragm wall (JavaScript); jsmath - mathematics: polynomial equations, linear systems of equations, eigenvalues, matrix multiplication... -
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GeoStrain
Geodynamic strain analysis software
The main purpose of the software is to calculate the crustal strain rates using the least-squares collocation method. The software is able to simultaneously determine the signal and noise of the velocities at the observation points with the best possible removal of the observation errors, or at any other position with no velocity observation. Furthermore, the software can calculate strain and rotation rate tensors at points of interest, including observation points, grid points or points along... -
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PhyloTrack
PhyloTrack, D3.js and JBrowse for phylogeny and positioning of samples
...-defining polymorphism. This functionality has been implemented using the tabix tool on the server side, providing simple and rapid access to the information at each tree node, including informative SNPs stored in VCF-similar files. These informative variants have been established by comparing allele frequencies between strain-types using ancestral node comparisons and FST measures of population differentiation. -
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YAFEMS
Yet Another Finite Element Method Solver
YAFEMS (Yet Another Finite Element Method Solver) is a FEM solver for Linux and WIndows that reads a MED mesh file produced by Salome (http://www.salome-platform.org/) with certain groups created into the mesh, and with the help of an input text file (.yaf), performs a 3D or 2D plane stress or plane strain analysis and creates results in plain text format and in MED format. This way a complete analysis can be carried inside Salome, where a mesh file can be created, exported and read... -
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SIGMA
Strain-level Identification of Genomes from Metagenomic Analysis
SIGMA, a precise strain level genome identification and abundance estimation tool for metagenomic biosurveillance. -
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TASC NASA
Tool for Analysis of Surface Cracks (TASC)
TASC - 2014 NASA Software of the Year Co-Winner! TASC V1.0.2 is now available. - See users manual for release details Tool for Analysis of Surface Cracks (TASC) is a computer program created in MATLAB to enable easy computation of nonlinear J-integral solutions for surface cracked plates in tension by accessing and interpolating between the 600 nonlinear surface crack solutions documented in NASA/TP–2013-217480. The only required inputs are the surface crack dimensions (2c and a), plate... -
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fesslix
Stochastic Analysis
A brief summary of the main features of Fesslix: - Perform non-intrusive reliability analysis or Bayesian updating either --- by running commands on the command line or --- by means of an Octave interface or --- by means of a Python interface - Flexible input language for writing Fesslix parameter files --- Control flow statements (e.g. if, for, while) --- Most parameters can be defined as functions - Working with response surfaces - Linear finite element analysis using truss, beam... -
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Concyl
Concentric Cylinder Stress Analysis Program
Concyl computes the stress state for a system of concentric cylinders under combined pressure and thermal loading. The program includes a plotting interface to Excel, a design optimizater, and detailed instructions with verification samples. -
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sysbio_ecoli_modeling
Mathematical modeling of E. coli carbohydrate uptake and metabolism
Metabolism and signalling are tightly coupled in bacteria. Combinig several theoretical approaches a core model is presented that describes transcriptional and allosteric control of glycolysis in Escherichia coli. Experimental data based on microarrays, signalling components and extracellular metabolites are used to estimate kinetic parameters. A newly designed strain was used that adjusts the incoming glucose flux into the system and allows a kinetic analysis. Based on the results... -
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Coexlam
Free Excel software on composite laminate theory with added features.
Coexlam is a VBA Excel application that performs composite laminate analysis. Laminate theory is used with several strength criteria: maximal stress, maximal strain, Tsaï-Hill and Tasï-Wu. A help including a Getting Started part is now available in the application. The users can add their own formulas or application, an example is provided with a tank under pressure. Several load cases can be calculated in one time in the Print sheet. Laminates can be saved in the Library sheet. Several... -
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SailFEM is a Matlab code for the finite element analysis of membrane elements. The code was developped for the application in sail analysis. Implemented elements are the non-linear Constant Strain Triangles.