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<combinations>

This part contains properties of load combinations. It is an optional part of XML file. Every combination is marked by the element <combination>. This element supports following attributes:

id

  • Unique ID, obligatory

name

  • The combination name, obligatory

kind

  • The combination kind, obligatory. Available values: "1" (combination for I.order analysis), "2" (combination for II. order analysis), "linearStability" (combination for linear stability)

type

  • The combination type, obligatory. Available values for standards "ec" and "sans" (defined in the part <header>): "basic" (basic combination ULS), "basicAlternate" (alternative combination ULS), "accidental" (accidental combination ULS), "characteristic" (charakteristic combination SLS), "frequent" (frequent combination SLS), "quasipermanent" (quasi permanent combination SLS). Values for standards "csn", "stn" and "other": "extreme" (ULS), "service" (SLS) or "fire" (combination for fire resistance).

The list of load cases is defined with the help of elements <loadcase>. Following attributes are supported:

id

  • ID of load case given in the part <loadcases> , obligatory

isFavourable

  • Only for standards "ec" or "sans" in the part <header>. The setting affects whether upper or lower combination value will be used. Available options "true" (lower value) or "false" (upper value). Optional, the value "false" is used as a default.

isMainVariable

  • Only for standards "ec" or "sans" in the part <header>. The setting affects whether the load case will be considered as main variable load or not. Available options "true" (is main variable) or "false" (is not main variable). Optional, the value "false" is used as a default.

coefficient

  • This setting defines the combination factor of the load case (only for standards "csn", "stn" or "other")

Combination for ULS with three load cases

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