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JSON Manual Created Edited

Eigenvalue Analysis Control

Input URI

{base url} + db/EIGV



Active Methods

POST, GET, PUT, DELETE



JSON Schema

Details

{
    "EIGV": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "type": "object",
        "properties": {
            "TYPE": {
                "description": "Typeofanalysis",
                "type": "string"
            },
            "iFREQ": {
                "description": "EigenVectors,Numberoffrequencies",
                "type": "integer"
            },
            "iITER": {
                "description": "EigenVectors,Numberofiterations",
                "type": "integer"
            },
            "iDIM": {
                "description": "EigenVectors,Subspacedimension",
                "type": "integer"
            },
            "TOL": {
                "description": "EigenVectors,ConvergenceTolerance",
                "type": "number"
            },
            "bMINMAX": {
                "description": "EigenVectors,Frequencyrangeofinterest",
                "type": "boolean"
            },
            "FRMIN": {
                "description": "EigenVectors,Searchfrom",
                "type": "number"
            },
            "FRMAX": {
                "description": "EigenVectors,Searchto",
                "type": "number"
            },
            "bSTRUM": {
                "description": "EigenVectors,StrumSequencecheck",
                "type": "boolean"
            },
            "bINCNL": {
                "description": "RitzVectors,IncludeGL-linkforcevector",
                "type": "boolean"
            },
            "iGNUM": {
                "description": "RitzVectors,NumberofGL-linkforcevector",
                "type": "integer"
            },
            "vRITZ": {
                "description": "RitzVectors,List",
                "type": "array",
                "items": {
                    "type": "object",
                    "properties": {
                        "KIND": {
                            "description": "LoadCaseType",
                            "type": "string"
                        },
                        "CASE": {
                            "description": "LoadCaseNo.",
                            "type": "string"
                        },
                        "GROUND": {
                            "description": "Groundtype",
                            "type": "string"
                        },
                        "iNOG": {
                            "description": "Numberofgeneration",
                            "type": "integer"
                        }
                    }
                }
            }
        }
    }
}


Examples

Eigen Vectors - Subspace Iteration

{
    "Assign": {
        "1": {
            "TYPE": "EIGEN",
            "iFREQ": 100,
            "iITER": 20,
            "iDIM": 1,
            "TOL": 1e-10,
            "bMINMAX": false,
            "FRMIN": 0,
            "FRMAX": 1600,
            "bSTRUM": false
        }
    }
}

Eigen Vectors - Lanczos

{
    "Assign": {
        "1": {
            "TYPE": "LANCZOS",
            "iFREQ": 100,
            "iITER": 20,
            "iDIM": 1,
            "TOL": 1e-10,
            "bMINMAX": false,
            "FRMIN": 0,
            "FRMAX": 0,
            "bSTRUM": false
        }
    }
}

Ritz Vectors

{
    "Assign": {
        "1": {
            "TYPE": "RITZ",
            "bINCNL": false,
            "iGNUM": 1,
            "vRITZ": [
                {
                    "KIND": "GROUND",
                    "GROUND": "ACCX",
                    "iNOG": 30
                },
                {
                    "KIND": "GROUND",
                    "GROUND": "ACCY",
                    "iNOG": 30
                },
                {
                    "KIND": "GROUND",
                    "GROUND": "ACCZ",
                    "iNOG": 30
                }
            ]
        }
    }
}


Specifications

No. Description Key Value Type Default Required

1

Type of Analysis

 • Subspace Iteration: "EIGEN"

 • Lanczos: "LANCZOS"

 • Ritz Vectors: "RITZ"

"TYPE"

String

-

Required

Eigen Vectors - Subspace Iteration

2

Number of Frequencies

"iFREQ"

Integer

-

Required

3

Number of Iterations

"iITER"

Integer

-

Required

4

Subspace Dimension

"iDIM"

Integer

0

Optional

5

Convergence Tolerance

"TOL"

Number

0

Optional

Eigen Vectors - Lanczos

2

Number of Frequencies

"iFREQ"

Integer

-

Required

3

Frequency Range of Interest

"bMINMAX"

Boolean

false

Optional

4

Seach From [cps]

 • When the "bMINMAX" is true

 • "FRMIN" < "FRMAX"

"FRMIN"

Number

-

Required

5

Seach to [cps]

 • When the "bMINMAX" is true

 • "FRMIN" < "FRMAX"

"FRMAX"

Number

-

Required

6

Sturm Sequence Check

"bSTRUM"

Boolean

false

Optional

Ritz Vectors

2

Include GL-link Force Vectors

"bINCNL"

Boolean

false

Optional

3

Number of Generations for Each GL-link Force

"iGNUM"

Integer

-

Required

4

Load Cases

 • Insert the data as an object

"vRITZ"

Array
[Object]

-

Required

(1)

Load Case Type

 • General: "CASE"

 • Ground Acc. X: "ACCX"

 • Ground Acc. Y: "ACCY"

 • Ground Acc. Z: "ACCZ"

"KIND"

String

-

Required

(2)

Load Case Name

"CASE"

String

-

Required

(3)

Number of Generations

"iNOG"

Integer

Blank

Optional



0
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