Data type representing a single-DOF base spring object. More...
Public Attributes | |
| type(idtype) | id |
| General identification data. More... | |
| logical | isactive |
| Turns the spring ON/OFF. More... | |
| integer | dof |
| Which DOF(s) the spring is associated with. More... | |
| integer | unloadtype |
| Flag for cyclic-plastic springs. More... | |
| type(enginetype), pointer | length0engine |
| Stress-free length function. More... | |
| real(dp) | l0 |
| Constant stress-free length value. More... | |
| real(dp) | l1 |
| Scaling factor for stress-free length function. More... | |
| real(dp) | length0 |
| Current stress-free length. More... | |
| type(functiontype), pointer | stiffnessfunction |
| Stiffness-deflection function. More... | |
| type(functiontype), pointer | forcefunction |
| Force-deflection function. More... | |
| real(dp) | s0 |
| Constant spring stiffness value. More... | |
| real(dp) | s1 |
| Scaling factor for spring stiffness/force function. More... | |
| real(dp) | stiffness |
| Current spring stiffness. More... | |
| type(enginetype), pointer | stiffscaleenginepos |
| Optional scaling of stiffness for positive deflection. More... | |
| type(enginetype), pointer | stiffscaleengineneg |
| Optional scaling of stiffness for negative deflection. More... | |
| real(dp) | scale1 |
| Current scaling coefficient = scale1*stiffScaleEngine. More... | |
| type(springfailuretype), pointer | failure |
| Data for failure calculation. More... | |
| type(springyieldtype), pointer | yield |
| Data for yield calculation. More... | |
| real(dp) | yielddeflection |
| Yield deflection at current time step. More... | |
| real(dp) | yielddeflectionprev |
| Yield deflection at previous time step. More... | |
| logical | hasfailed |
| Set to .true. when the spring has failed. More... | |
| logical | isinyield |
| Set to .true. when the spring is yielding. More... | |
| real(dp), pointer | length |
| Spring length. More... | |
| logical | allocatedlength |
| Set to .true. if the length is allocated. More... | |
| real(dp) | lengthprev |
| Length at previous time step. More... | |
| real(dp) | deflection |
| Current spring deflection. More... | |
| real(dp) | deflectionprev |
| Previous spring deflection. More... | |
| real(dp) | force |
| Current spring force. More... | |
| real(dp) | forceprev |
| Previous spring force. More... | |
| real(dp) | estr |
| Current strain energy. More... | |
| real(dp) | einp |
| Accumulated input energy. More... | |
| real(dp) | eyield |
| Accumulated yield energy loss. More... | |
| logical, dimension(5) | savevar |
| Flags indicating which variables should be saved. More... | |
Detailed Description
Data type representing a single-DOF base spring object.
Member Data Documentation
◆ allocatedlength
| logical springtypemodule::springbasetype::allocatedlength |
Set to .true. if the length is allocated.
◆ deflection
| real(dp) springtypemodule::springbasetype::deflection |
Current spring deflection.
◆ deflectionprev
| real(dp) springtypemodule::springbasetype::deflectionprev |
Previous spring deflection.
◆ dof
| integer springtypemodule::springbasetype::dof |
Which DOF(s) the spring is associated with.
- = 0 : axial spring or contact element spring
- > 0 : the joint variable the spring is acting on
- < 0 : unattached spring (model inconsistency)
◆ einp
| real(dp) springtypemodule::springbasetype::einp |
Accumulated input energy.
◆ estr
| real(dp) springtypemodule::springbasetype::estr |
Current strain energy.
◆ eyield
| real(dp) springtypemodule::springbasetype::eyield |
Accumulated yield energy loss.
◆ failure
| type(springfailuretype), pointer springtypemodule::springbasetype::failure |
Data for failure calculation.
◆ force
| real(dp) springtypemodule::springbasetype::force |
Current spring force.
◆ forcefunction
| type(functiontype), pointer springtypemodule::springbasetype::forcefunction |
Force-deflection function.
◆ forceprev
| real(dp) springtypemodule::springbasetype::forceprev |
Previous spring force.
◆ hasfailed
| logical springtypemodule::springbasetype::hasfailed |
Set to .true. when the spring has failed.
◆ id
| type(idtype) springtypemodule::springbasetype::id |
General identification data.
◆ isactive
| logical springtypemodule::springbasetype::isactive |
Turns the spring ON/OFF.
Used by cam joints, contact elements and spring failures
◆ isinyield
| logical springtypemodule::springbasetype::isinyield |
Set to .true. when the spring is yielding.
◆ l0
| real(dp) springtypemodule::springbasetype::l0 |
Constant stress-free length value.
◆ l1
| real(dp) springtypemodule::springbasetype::l1 |
Scaling factor for stress-free length function.
◆ length
| real(dp), pointer springtypemodule::springbasetype::length |
Spring length.
For joint springs, this pointer points to the corresponding joint variable. For axial springs it is allocated.
◆ length0
| real(dp) springtypemodule::springbasetype::length0 |
Current stress-free length.
The stress-free length equals l0 + l1*length0Function
◆ length0engine
| type(enginetype), pointer springtypemodule::springbasetype::length0engine |
Stress-free length function.
◆ lengthprev
| real(dp) springtypemodule::springbasetype::lengthprev |
Length at previous time step.
◆ s0
| real(dp) springtypemodule::springbasetype::s0 |
Constant spring stiffness value.
◆ s1
| real(dp) springtypemodule::springbasetype::s1 |
Scaling factor for spring stiffness/force function.
◆ savevar
| logical, dimension(5) springtypemodule::springbasetype::savevar |
Flags indicating which variables should be saved.
◆ scale1
| real(dp) springtypemodule::springbasetype::scale1 |
Current scaling coefficient = scale1*stiffScaleEngine.
◆ stiffness
| real(dp) springtypemodule::springbasetype::stiffness |
Current spring stiffness.
The spring stiffness equals either s0 + s1*stiffnessFunction, or s0 + s1*d(forceFunction)/dx where s0 is a stiffness coefficient both for stiffnessFunction and forceFunction, i.e., if forceFunction is constant the s0 value represents a stiffness
◆ stiffnessfunction
| type(functiontype), pointer springtypemodule::springbasetype::stiffnessfunction |
Stiffness-deflection function.
◆ stiffscaleengineneg
| type(enginetype), pointer springtypemodule::springbasetype::stiffscaleengineneg |
Optional scaling of stiffness for negative deflection.
◆ stiffscaleenginepos
| type(enginetype), pointer springtypemodule::springbasetype::stiffscaleenginepos |
Optional scaling of stiffness for positive deflection.
◆ unloadtype
| integer springtypemodule::springbasetype::unloadtype |
Flag for cyclic-plastic springs.
The value has the following interpretation:
- = 0 : Unloading along the main force/deflection curve
- = 1 : Unloading with tangent stiffness, positive deflections
- = 2 : As 1, but also for negative deflections
- = 3 : Unloading with secant stiffness, both sides
◆ yield
| type(springyieldtype), pointer springtypemodule::springbasetype::yield |
Data for yield calculation.
◆ yielddeflection
| real(dp) springtypemodule::springbasetype::yielddeflection |
Yield deflection at current time step.
◆ yielddeflectionprev
| real(dp) springtypemodule::springbasetype::yielddeflectionprev |
Yield deflection at previous time step.
The documentation for this type was generated from the following file:
- src/vpmSolver/springTypeModule.f90
