[EIGV] Eigenvalue Analysis Control


    "EIGV": {
        "TYPE": {
            "__DESC__": "Type of analysis",
            "__TYPE__": "String"
        },
        "iFREQ": {
            "__DESC__": "Eigen Vectors, Number of frequencies",
            "__TYPE__": "Integer"
        },
        "iITER": {
            "__DESC__": "Eigen Vectors, Number of iterations",
            "__TYPE__": "Integer"
        },
        "iDIM": {
            "__DESC__": "Eigen Vectors, Subspace dimension",
            "__TYPE__": "Integer"
        },
        "TOL": {
            "__DESC__": "Eigen Vectors, Convergence Tolerance",
            "__TYPE__": "Real"
        },
        "bMINMAX": {
            "__DESC__": "Eigen Vectors, Frequency range of interest",
            "__TYPE__": "Bool"
        },
        "FRMIN": {
            "__DESC__": "Eigen Vectors, Search from",
            "__TYPE__": "Real"
        },
        "FRMAX": {
            "__DESC__": "Eigen Vectors, Search to",
            "__TYPE__": "Real"
        },
        "bSTRUM": {
            "__DESC__": "Eigen Vectors, Strum Sequence check",
            "__TYPE__": "Bool"
        },
        "bINCNL": {
            "__DESC__": "Ritz Vectors, Include GL - link force vector",
            "__TYPE__": "Bool"
        },
        "iGNUM": {
            "__DESC__": "Ritz Vectors, Number of GL - link force vector",
            "__TYPE__": "Integer"
        },
        "vRITZ": {
            "__DESC__": "Ritz Vectors, List",
            "__TYPE__": [
                {
                    "KIND": {
                        "__DESC__": "Load Case Type",
                        "__TYPE__": "String"
                    },
                    "CASE": {
                        "__DESC__": "Load Case No.",
                        "__TYPE__": "String"
                    },
                    "GROUND": {
                        "__DESC__": "Ground type",
                        "__TYPE__": "String"
                    },
                    "iNOG": {
                        "__DESC__": "Number of generation",
                        "__TYPE__": "Integer"
                    }
                }
            ]
        }
    }

Introduce Input Data Symbols

API - Value Type		Input Data

API - Value Type	Input Data
Integer	🔴	Essential
String	❌	Unnecessary
Boolean	🔺	Optional
Real

The required Input Data for defining Eigenvalue Analysis Control

NO.	Name	API - Key	API - Value Type	Default	Lanczos	Subspace Iteration	Ritz Vectors

NO.	Name	API - Key	Default	Lanczos	Subspace Iteration	Ritz Vectors
1	Type of analysis "EIGEN" "LANCZOS" "RITZ"	"TYPE"		🔴	🔴	🔴
	Eigen Vectors
2	Eigen Vectors Number of frequencies	"iFREQ"		🔴	🔴	❌
3	Eigen Vectors Number of iterations	"iITER"		❌	🔴	❌
4	Eigen Vectors Subspace dimension	"iDIM"	0	❌	🔺	❌
5	Eigen Vectors Convergence Tolerance	"TOL"	0	❌	🔺	❌
6	Eigen Vectors Frequency range of interest	"bMINMAX"	FALSE	🔺	❌	❌
7	Eigen Vectors Search from	"FRMIN"	0	🔺	❌	❌
8	Eigen Vectors Search to	"FRMAX"		🔺 (if "bMINMAX" = true 🔴)	❌	❌
9	Eigen Vectors Strum Sequence check	"bSTRUM"	FALSE	🔺	❌	❌
	Ritz Vectors
10	Ritz Vectors Include GL - link force vector	"bINCNL"	FALSE	❌	❌	🔺
11	Ritz Vectors Number of GL - link force vector	"iGNUM"		❌	❌	🔺
	Ritz Vectors List
12	Ritz Vectors List	"vRITZ"		❌	❌	🔴
13	Load Case Type	"KIND"		❌	❌	🔴
14	Load Case Name	"CASE"		❌	❌	🔺
15	Ground Type Load Case Name	"GROUND"		❌	❌	🔺
16	Number of Generation	"iNOG"		❌	❌	🔺

The JSON format example for inputting Eigenvalue Analysis Control

    "EIGV": {
        "1": {
            "TYPE": "LANCZOS",
            "iFREQ": 101,
            "bMINMAX": true,
            "FRMIN": 1.0,
            "FRMAX": 10.0,
            "bSTRUM": true
        }
    }

    "EIGV": {
        "1": {
            "TYPE": "EIGEN",
            "iFREQ": 101,
            "iITER": 1,
            "iDIM": 2,
            "TOL": 3.0
        }
    }