added radial return mapping to Drucker-Prager

Plasticity with Mazars damage law added

removed this pointer from lambda functions

changed previous opening to current opening for linear friction cohesive…

Bug Fixed : wrong numbering of elements for tracking master element corrected

double pass algorithm add average force based on whether master is deformable

double pass algorithm add average force based on whether master is deformable…

added check for friction angle to be 0

double pass algorithm add average force

Bug fixed : previous master elements size being less than nb of nodes added for…

Bug Fixed : To check whether a point has interpenetrated

threshold value check for Drucker-Prager added

Bug Fixed : contact group was created everytime cohesive element is added

nodal area calculation changed/bug in 3D natural projection fixed

projection strategy changed to finding minima, onElementsAdded in Cohesive…

Bug fixed : contact node list was getting duplicated onElementsAdded

check for same side in orthogonal prjection removed

Bug Fixed : cohesive model works in release

Bug fixed in Drucker-Prager for converting voigt to Matrix form

fixed updateInternalParameter bug in Drucker-Prager material

contact search moved from predictor to assembleResidual

added updateInternalParameters function to Drucker-Prager class

Drucker-Prager law for plastic material implemented

Merge branch 'features/contact' of ssh://c3science.ch/diffusion/AKAPRIV/akantu…

nodal area calculation reverted to taking norm of force

added a max iteration criteria to inverseMap function

added function to define new IntegrationScheme

added max iteration criteria to contact detector for natural projection

cleaning a bit

tangential traction added for dumping

Bug Fixed : detection to check if point is inside or outside a master surface

parameter to determine extension of a master element added

gap and nodal area computation corrected

Bug fixed : no of boundary elements were wrongly accounted for

extra comments added to clarify some algorithms

boundary element function edited

change in nodal area computation/current configuration considered

added tolerance criteria for natural projection

added need_to_reassemble as default option

matrix-matrix multiplications in resolutions corrected

resolutions computation chnages to vector-vector multiplication

readded intialization of projection arrays

enum class for contact state added

Bug Fix : contact force were added twice due to ghost/not_ghost

quadratic penalty formulation added/ forces implemented

normal and stick modulii implemented for penalty

corrected slip tangential traction

Bug Fix : convergence normalized criteria was zero for solution type

conflicts with master resolved

resizing stick slip array in search function

working on contact coheisve coupler

changes in dumper functions in accordance to master

contact mechanics model : previous state/explicit dynamic default solver

contact coupler modified

added functionality to take userdefined values in allocNodalField in model

Conflict resolved with master

added before/after solve step to resolution

friction for large sliding is added in penalty resolution

contact element class cleaned/ all necessary functions moed to model

commented duplicate functions already in geometry utils

modifications to compile with RelWithDeBugInfo cmake option

example added for contact mechanics

added minimum function to sparse matrix aij

commenting unused variables

few modifications to clean the code

python interface modified to be compatible with contact model

added geometry utils to ease friciton calculation

Bug fixed : 2nd shape derivatives for quad 4 added

started working on parallelization of contact detector

class contact element modified/ stiffness matrix re computation

conflicts with master resolved

changed contact detector to get correct master element index

bug fixed : compute jacobian in gauss integrator

Bug fixed : in radius calculation for segement element

jacobian for new elements added is wrong/update problem

Bug fixed : to consider boundary elements in initMeshFacets

python interface for contact/coupler/material selector

conflict with master resolved

coupling between solid cohesive and contact mechanics started

changed fillNodestoElement in mesh/ use meshfacets for coupling

conflicts resolved

chenged in resolution.cc for nodegroup

chmaged contact detector and element class for friciton traction

contact code adapted for explicit dynamics/ lot of things have been changed in…

previous projection needs to be fixed in contact element class for friction to…

removed dumping code in predictor/corrector of coupler class

working commit before rewiring/ added working tests

fixed stress/grad_u dumping in coupler

Merge branch 'features/contact' of ssh://c4science.ch/diffusion/AKAPRIV/akantu…

friction implementation added/ working on tests

cleaning the resolution code in contact mechanics model/definitely need a data…

assembly of friction stiffness/ might need a proper structure for einsum

added 2nd derivative for t3, q4 elements

resolved conflict in contact mechanics model

integrated dof changes to coupler class and started with friction enforcement

static implicit working

started working on coupler class

Merge branch 'master' into features/contact

implicit contact formulation added

cleaning