TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
DYNAMIC COLLAPSE [5 records]
Record 1 - internal organization data 2001-09-24
Record 1, English
Record 1, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
- Environmental Studies and Analyses
- Modelling (Mathematics)
Record 1, Main entry term, English
- dynamic collapse
1, record 1, English, dynamic%20collapse
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The model recognizes two phases of dispersion : convective particle descent(the discharged dredged material settles as a sinking jet), and dynamic collapse(dispersal of initial energy causes the plume to extend and diffusion is no longer governed by the intrinsic settling velocity of the particles and hydrodynamic conditions). 2, record 1, English, - dynamic%20collapse
Record number: 1, Textual support number: 2 CONT
Dynamic collapse. The cloud hits the sea floor or reaches a depth where its buoyancy becomes neutral and horizontal spreading dominates... 3, record 1, English, - dynamic%20collapse
Record number: 1, Textual support number: 3 CONT
In either case, vertical motion is arrested and horizontal spreading begins. This is called dynamic collapse. 3, record 1, English, - dynamic%20collapse
Record 1, French
Record 1, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
- Études et analyses environnementales
- Modélisation (Mathématique)
Record 1, Main entry term, French
- rupture de la dynamique
1, record 1, French, rupture%20de%20la%20dynamique
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Deux phases de dispersion sont identifiées dans ce modèle : la phase de descente convective des particules, où la dynamique est principalement régie par la puissance de pénétration du jet d'eaux chargées de sédiments, et la phase de rupture de la dynamique, où la dispersion de l'énergie initiale entraîne un allongement du nuage de particules et où la diffusion n'est plus commandée que par la vitesse de sédimentation intrinsèque des particules ainsi que par les conditions hydrodynamiques du milieu. 2, record 1, French, - rupture%20de%20la%20dynamique
Record number: 1, Textual support number: 2 CONT
[...] le collapse dynamique qui se produit lorsque le nuage percute le fond ou lorsqu'il arrive à une profondeur ou sa flottaison devient neutre, et que la dispersion horizontale devient importante; [...] 3, record 1, French, - rupture%20de%20la%20dynamique
Record number: 1, Textual support number: 3 CONT
À ce moment, la descente cesse et un étalement horizontal débute. C'est ce qu'on appelle le collapse dynamique. 3, record 1, French, - rupture%20de%20la%20dynamique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-08-29
Record 2, English
Record 2, Subject field(s)
- Modelling (Mathematics)
- Environmental Studies and Analyses
- Water Pollution
Record 2, Main entry term, English
- horizontal spreading 1, record 2, English, horizontal%20spreading
Record 2, Abbreviations, English
Record 2, Synonyms, English
- horizontal diffusion 1, record 2, English, horizontal%20diffusion
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
... Dynamic collapse. The cloud hits the sea floor or reaches a depth where its buoyancy becomes neutral and horizontal spreading dominates... 1, record 2, English, - horizontal%20spreading
Record 2, French
Record 2, Domaine(s)
- Modélisation (Mathématique)
- Études et analyses environnementales
- Pollution de l'eau
Record 2, Main entry term, French
- dispersion horizontale
1, record 2, French, dispersion%20horizontale
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- étalement horizontal 1, record 2, French, %C3%A9talement%20horizontal
masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] le collapse dynamique qui se produit lorsque le nuage percute le fond ou lorsqu'il arrive à une profondeur ou sa flottaison devient neutre, et que la dispersion horizontale devient importante; [...] 1, record 2, French, - dispersion%20horizontale
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-08-01
Record 3, English
Record 3, Subject field(s)
- Modelling (Mathematics)
- Environmental Studies and Analyses
- Waste Management
Record 3, Main entry term, English
- STFATE
1, record 3, English, STFATE
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- STFATE model 1, record 3, English, STFATE%20model
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
STFATE is the most sophisticated software currently available for modelling accumulation of dredged material dumped on the sea floor and diffusion in the water column of contaminants associated with dredged sediment. 1, record 3, English, - STFATE
Record number: 3, Textual support number: 1 OBS
The model assumes three separate phases in the behaviour of dredged material dumped in open water : 1) Convective descent. The dredged material forms a cloud whose descent is dominated by gravity. 2) Dynamic collapse. The cloud hits the sea floor or reaches a depth where its buoyancy becomes neutral and horizontal spreading dominates. 3) Passive transport-diffusion. At this stage, behaviour is determined more by ambient conditions than by the dynamics of the disposal operation. 1, record 3, English, - STFATE
Record 3, French
Record 3, Domaine(s)
- Modélisation (Mathématique)
- Études et analyses environnementales
- Gestion des déchets
Record 3, Main entry term, French
- modèle STFATE
1, record 3, French, mod%C3%A8le%20STFATE
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Le modèle STFATE est présentement l'outil informatique le plus au point pour modéliser l'accumulation des rejets de dragage sur le fond marin aussi bien que la dispersion dans la colonne d'eau des contaminants associés aux sédiments de dragage. 1, record 3, French, - mod%C3%A8le%20STFATE
Record number: 3, Textual support number: 1 OBS
Ce modèle suppose que l'évolution des déblais déversés en mer se comportera selon trois phases distinctes : 1) la descente convective, durant laquelle les déblais, formant un nuage, descendent sous l'effet de la gravité; 2) le collapse dynamique qui se produit lorsque le nuage percute le fond ou lorsqu'il arrive à une profondeur ou sa flottaison devient neutre, et que la dispersion horizontale devient importante; 3) et l'advection-diffusion causée par les conditions synoptiques du milieu plutôt que par les forces associées à un déversement. 1, record 3, French, - mod%C3%A8le%20STFATE
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2000-07-17
Record 4, English
Record 4, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 4, Main entry term, English
- phase of dispersion
1, record 4, English, phase%20of%20dispersion
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
The model recognizes two phases of dispersion : convective particle descent(the discharged dredged material settles as a sinking jet), and dynamic collapse(dispersal of initial energy causes the plume to extend and diffusion is no longer governed by the intrinsic settling velocity of the particles and hydrodynamic conditions). 1, record 4, English, - phase%20of%20dispersion
Record 4, Key term(s)
- dispersion phase
Record 4, French
Record 4, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 4, Main entry term, French
- phase de dispersion
1, record 4, French, phase%20de%20dispersion
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Deux phases de dispersion sont identifiées dans ce modèle : la phase de descente convective des particules, où la dynamique est principalement régie par la puissance de pénétration du jet d'eaux chargées de sédiments, et la phase de rupture de la dynamique, où la dispersion de l'énergie initiale entraîne un allongement du nuage de particules et où la diffusion n'est plus commandée que par la vitesse de sédimentation intrinsèque des particules ainsi que par les conditions hydrodynamiques du milieu. 1, record 4, French, - phase%20de%20dispersion
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2000-03-06
Record 5, English
Record 5, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 5, Main entry term, English
- convective particle descent
1, record 5, English, convective%20particle%20descent
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
The model recognizes two phases of dispersion : convective particle descent(the discharged dredged material settles as a sinking jet), and dynamic collapse(dispersal of initial energy causes the plume to extend and diffusion is no longer governed by the intrinsic settling velocity of the particles and hydrodynamic conditions). 1, record 5, English, - convective%20particle%20descent
Record 5, French
Record 5, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 5, Main entry term, French
- descente convective des particules
1, record 5, French, descente%20convective%20des%20particules
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Deux phases de dispersion sont identifiées dans ce modèle : la phase de descente convective des particules, où la dynamique est principalement régie par la puissance de pénétration du jet d'eaux chargées de sédiments, et la phase de rupture de la dynamique, où la dispersion de l'énergie initiale entraîne un allongement du nuage de particules et où la diffusion n'est plus commandée que par la vitesse de sédimentation intrinsèque des particules ainsi que par les conditions hydrodynamiques du milieu. 1, record 5, French, - descente%20convective%20des%20particules
Record 5, Spanish
Record 5, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: