The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.
Migrated from http://trac.sasview.org/ticket/727
{
"status": "new",
"changetime": "2019-03-03T01:04:26",
"_ts": "2019-03-03 01:04:26.864004+00:00",
"description": "The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.",
"reporter": "dirk",
"cc": "",
"resolution": "",
"workpackage": "SasModels Model Issues",
"time": "2016-10-07T17:54:12",
"component": "sasmodels",
"summary": "Check that Flexible Cylinders converges to cylinder model",
"priority": "major",
"keywords": "",
"milestone": "sasmodels 1.0",
"owner": "dirk",
"type": "enhancement"
}
The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.
Migrated from http://trac.sasview.org/ticket/727
{ "status": "new", "changetime": "2019-03-03T01:04:26", "_ts": "2019-03-03 01:04:26.864004+00:00", "description": "The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.", "reporter": "dirk", "cc": "", "resolution": "", "workpackage": "SasModels Model Issues", "time": "2016-10-07T17:54:12", "component": "sasmodels", "summary": "Check that Flexible Cylinders converges to cylinder model", "priority": "major", "keywords": "", "milestone": "sasmodels 1.0", "owner": "dirk", "type": "enhancement" }