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FLO-2D

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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP440.13
EISBN: 9781786203809
... Citate. In this study we compare the results of the two debris-flow simulation codes, FLO-2D and IDRA2D DF, to test their ability to simulate the behaviour of debris flows on the Rivoli Bianchi fan. Simulations also consider the effectiveness of a debris-flow-deflecting wall built in 1990...
FIGURES | View All (5)
Journal Article
Published: 03 March 2021
Environmental and Engineering Geoscience (2021) 27 (2): 179–194.
... . FLO-2D Software Inc., 2018 , FLO-2D User's Manual . Gamma, P., 2000 , Dfwalk – Ein Murgang-Simulationsprogramm zur Gefahrenzonierung : Geographisches Institut der Universität Bern, Geographishes Institut der...
Journal Article
Journal: Geology
Published: 01 March 2008
Geology (2008) 36 (3): 211–214.
...-scale channels that convey the bright deposit flow, which range in depth from 0.3 to 1.5 m. The DEM was used as input to FLO-2D ( FLO Engineering, 2006 ), a simulation code that solves the two-dimensional (2-D) dynamic wave momentum equation and volume conservation equation for the depth-averaged...
FIGURES
Journal Article
Published: 20 January 2021
Environmental and Engineering Geoscience (2021) 27 (2): 167–178.
... , Comparison between FLO-2D and RAMMS in debris-flow modeling: A case study in the Dolomites. WIT Transactions on Engineering Sciences, 60 . In Monitoring, Simulation, Prevention and Remediation of Dense Debris Flows II : pp. 197 – 206 . Church, M...
Journal Article
Journal: Geosphere
Published: 07 June 2019
Geosphere (2019) 15 (4): 1140–1163.
... surface. Estimated sediment volumes from the mapping provide an important initial condition for modeling debris-flow runout (e.g., Iverson et al., 1998 ; McDougall and Hungr, 2004 ; Berti and Simoni, 2014 ; George and Iverson, 2014 ; Bartelt et al., 2017 ; FLO-2D, 2017 ). Observed volumes...
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Journal Article
Published: 01 June 1998
Journal of the Geological Society (1998) 155 (3): 491–508.
... of the Sarcidano sub-basin can be subdivided into a syn-rift 2m b NN a Looking Nc no exposure Fig. 5. (a) Stereogram showing planes, poles to planes and slickensides (arrowed) of small (<2 m oVset), post-depositional faults measured in coarse, volcanic-rich sandstones (Lithofacies 2d) south of the present day...
Journal Article
Journal: GSA Bulletin
Published: 01 January 2010
GSA Bulletin (2010) 122 (1-2): 127–144.
... ; R. Gould, USDA Forest Service, 1997, written commun.). For example, Elliott et al. (2004) linked modeled flood hydrographs to a two-dimensional flood and debris-flow routing model (FLO-2D; O'Brien, 1993 ) and, using assumed postfire sediment concentrations, delineated potential areas...
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Journal Article
Published: 01 February 1993
Bulletin of the Seismological Society of America (1993) 83 (1): 130–143.
... the identity, and T denotes the transpose. The total mass of the slide block, or hanging wall, is M = pohA, and its acceleration is a =-o~2D~. The single-force representation (1) used by Kanamori and his co-workers can be written in the present notation as Fg = w2pohAD ~ = o2MD~. (11) It is convenient...
Journal Article
Published: 30 March 2021
Environmental and Engineering Geoscience (2021) 27 (2): 153–166.
... suitable to simulate debris flows, such as RAMMS, FLO-2D, DAN-3D, and D-Claw, which require substantial computer runtimes depending on the model grid size and modeling domain, Flow-R runs very quickly and can be run on numerous debris-flow susceptible creeks at the same time. Sturzenegger et al. (2020...
Journal Article
Published: 01 April 1966
Bulletin of the Seismological Society of America (1966) 56 (2): 383–392.
... of a damped seismometer is d~4 d4 (1) dt-7- + 2~a0 ~- + f~024 = 0, where 4 represents the deflection, t the time, fl the damping and flo is the circular frequency, 27r (2) ~0 - To of the oscillation when ¢~ = 0, To being the corresponding period. Introducing the following changes of variables = ~0t (3) and 4...
Journal Article
Published: 01 June 2004
Environmental Geosciences (2004) 11 (2): 77–85.
... stream and environment. The metals binding to the gill surface can commonly interfere with gill ionic regulation and oxygen flow ( Richards and Playle, 1998 ). The gills are the site for direct uptake of metals from the water column ( Hughes and Flos, 1978 ; Thomas et al., 1983 ; Dallinger et al., 1987...
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Journal Article
Published: 01 October 2013
Italian Journal of Geosciences (2013) 132 (3): 323–329.
... commercial code thus produced, FLO-2D, is still now widely used in practice. H ungr (1995) developed a 2D Lagrangian model (DAN) for flow-like landslides with the possibility of selecting several rheologies even for different segment of the landslide path and to specify the depth of the erosion during...
FIGURES
Journal Article
Published: 01 November 2016
European Journal of Mineralogy (2016) 28 (4): 735–750.
... and kyanite, and in the muscovite-quartz matrix adjacent to garnet and kyanite ( Fig. 2j–k ). A small rim of monazite can be seen to have formed preferentially at the contact between florencite and skeletal garnet rim adjacent to the quartz matrix ( Fig. 2d–e ). Florencite, which occurs mostly as inclusions...
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Journal Article
Published: 01 February 1994
Bulletin of the Seismological Society of America (1994) 84 (1): 192–201.
... elastic de- + + = o. formations of isotropic materials. That is: -- + ~ = px, x9 - - Ox, Ox2 Ot2 Suppose the incident wave (1) has an angle of incidence for a = 1,2, (2) 7/(Figure 2). Then cl = flsin Yl and cz = fl(1)/cos % where flo) is a constant. Now -'3(1~) as given by equation where o"(11)3, 02(3 p...
Journal Article
Published: 01 June 1973
Bulletin of the Seismological Society of America (1973) 63 (3): 937–958.
... co i "10 i I ~I II II II II 1o 12oo 0 200 400 600 800 ~000 DEPTH OF BURIAL, z(m) Flo. 8. E{u}z ~ calculated from equation (19) as a function o f z using the following data: P2(t) = 62.6 d y n e 2 c m - 4 ; V2(t) = 37 m 2 s - 2 ; T = 4 0 s ; / 1 3.5× l0 t° dyne c m - 2 ; v = 0.3; r/= 4 5 m ; ), = 8 0...
Journal Article
Journal: GSA Bulletin
Published: 01 September 2005
GSA Bulletin (2005) 117 (9-10): 1167–1180.
...) hydraulic models such as HEC-2 is applicable. Many two-dimensional (2D) finite-element models have been developed in recent years, including RMA2 ( King and Norton, 1978 ; U.S. Army Corps of Engineers Waterways Experiment Station, 2001 ), TELEMAC-2D ( Galland et al., 1991 ), and FLO-2D ( O'Brien et al...
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Journal Article
Published: 01 January 1933
Bulletin of the Seismological Society of America (1933) 23 (1): 1–12.
... Maximum displacement of 2d floor = H2 = H -1- R~hl + R~.h2 Maximum displacement of 3d floor = Ha = H + R l h l q- R2h2 -4- Raha and so on. Forces acting on floors : F1 = ( H + Rlh~)r~lp ~- and so on. F.2 ~- ( H -1- R l h l --t- R2h2)rm.S" Fa = ( H q- R~h~ -t- R2h2 -Jr-Raha)maP 2 If there are n stories...
Journal Article
Published: 01 December 1999
Bulletin of the Seismological Society of America (1999) 89 (6): 1519–1534.
.... We found that the distorted mode in 2D structure is nonseparable in ( x, z ) coordinates, that is, w n , v ( x , z ) = ∑ m { a ( z , ω n , v ) } m e i k m x ; whereas the normal mode for 1D structure is separable in (x,z) coordinates: u n,v ( x,z ) = l ( z,ω n,v ) e ik n x . Based on the formulation...
Journal Article
Published: 01 April 1987
Bulletin of the Seismological Society of America (1987) 77 (2): 530–538.
... theorem, is the second moment of the power spectrum. For spectra from broadband instruments, the determination of J is totally objective; it is an integral for which the integrand approaches zero at both limits. If the limits of the spectral bandwidth are vl and v2, J is given by 2d = 2 ]o~U(w)12dv...
Journal Article
Published: 01 August 1973
Bulletin of the Seismological Society of America (1973) 63 (4): 1473–1486.
... = 0, the half-space is at rest. In addition to uniformly distributed tectonic stresses a~ and zoo, which are indicated in Figure 1, the stress distribution also includes com- pressive normal stresses due to the weight of the crustal material. The magnitudes of surface trace \ %% 0o /T, "- @ Flo. l...