SYS_LSF-class {TesiproV}

System Limit State Functions

Description

Object that represents a limit state function

Fields

expr

prepared for expression like SYS_LSF$expr <- expression(f_ck - d_nom)...

func

prepared for objective functions like SYS_LSF$func <- function(x)return(x[1] + x[2])

vars

needs list of PROB_BASEVAR-Object

name

Can be added for better recognition. Otherwise the problem will be called "Unkown Problem"

Methods

ExpressionToFunction()

Transforms a valid expression into a objective function. Need the set of Variables with correct spelled names and IDs

check()

Checks all variables. You dont need to execute this, since the system object will do anyway.

Author(s)

(C) 2021 - K. Nille-Hauf, T. Feiri, M. Ricker - Hochschule Biberach, Institut fuer Konstruktiven Ingenieurbau

Examples

list_of_vars <- list(PROB_BASEVAR(),PROB_BASEVAR())
lsf1 <- SYS_LSF(name="my first lsf", vars=list_of_vars)
lsf1$func <- function(var1,var2){var1-var2}