Index Catalog // ScholarsArchive@OSU

Experimental results for the allocation of buffers in closed serial production lines

Creator:: Staley, Dan R. and Kim, David S.
Abstract:: In this paper, the description and results of simulation experiments investigating buffer allocation in closed serial production lines are presented. The production lines studied consist of either reliable or unreliable workstations, and have asynchronous movement of jobs. The experimental results are used to demonstrate a buffer allocation decomposition result for...
Resource Type:: Article
Full Text:: description and results of simulation experiments investigating buffer allocation in closed serial

Agent-based tsunami evacuation modeling of unplanned network disruptions for evidence-driven resource allocation and retrofitting strategies

Creator:: Mostafizi, Alireza, Wang, Haizhong, Cox, Dan, Cramer, Lori A., and Dong, Shangjia
Abstract:: The M9 Cascadia subduction zone earthquake represents one of the most pressing natural hazard threats in the Pacific Northwest of the USA with an astonishing high 7–12% chance of occurrence by 2060, mirroring the 2011 devastating earthquake and tsunami in Japan. Yet this region, like many other coastal communities, is...
Resource Type:: Article

Turbulence in Sparse, Organized Vegetative Canopies: A Large-Eddy Simulation Study

Creator:: Bailey, Brian N. and Stoll, Rob
Abstract:: A large-eddy simulation study was performed to characterize turbulence in sparse, row-oriented canopies. This was accomplished by simulating a set of heterogeneous row-oriented canopies with varying row vegetation density and spacing. To determine the effects of heterogeneity, results were compared to horizontally homogeneous canopies with an equivalent ‘effective’ leaf area...
Resource Type:: Article
Full Text:: Large-Eddy Simulation Study Turbulence in Sparse, Organized Vegetative Canopies: A Large-Eddy

Effects of silvicultural practices on carbon stores in Douglas-fir – western hemlock forests in the Pacific Northwest, U.S.A.: results from a simulation model

Creator:: Harmon, Mark E. and Marks, Barbara
Abstract:: We used a new model, STANDCARB, to examine effects of various treatments on carbon (C) pools in the Pacific Northwest forest sector. Simulation experiments, with five replicates of each treatment, were used to investigate the effects of initial conditions, tree establishment rates, rotation length, tree utilization level, and slash burning...
Resource Type:: Article
Full Text:: Douglas-fir – western hemlock forests in the Pacific Northwest, U.S.A.: results from a simulation model

Effects of heat and drought on carbon and water dynamics in a regenerating semi-arid pine forest: a combined experimental and modeling approach

Creator:: Ruehr, N. K., Law, B. E., Quandt, D., and Williams, M.
Abstract:: Predicting the net effects on the carbon and water balance of semi-arid forests under future conditions depends on ecosystem processes responding to changes in soil and atmospheric drought. Here we apply a combination of field observations and soil–plant–atmosphere modeling (SPA) to study carbon and water dynamics in a regenerating ponderosa...
Resource Type:: Article

Thermodynamic and Aerosol Controls in Southeast Pacific Stratocumulus

Creator:: Mechem, David B., Yuter, Sandra E., and de Szoeke, Simon P.
Abstract:: A near-large-eddy simulation approach with size-revolving (bin) microphysics is employed to evaluate the relative sensitivity of southeast Pacific marine boundary layer cloud properties to thermodynamic and aerosol parameters. Simulations are based on a heavily drizzling cloud system observed by the NOAA ship Ronald H. Brown during the Variability of the...
Resource Type:: Article
Full Text:: 2011, in final form 20 November 2011) ABSTRACT A near-large-eddy simulation approach with size

An individual-based process model to simulate landscape-scale forest ecosystem dynamics

Creator:: Seidl, Rupert, Rammer, Werner, Scheller, Robert M., and Spies, Thomas A.
Abstract:: Forest ecosystem dynamics emerges from nonlinear interactions between adaptive biotic agents (i.e., individual trees) and their relationship with a spatially and temporally heterogeneous abiotic environment. Understanding and predicting the dynamics resulting from these complex interactions is crucial for the sustainable stewardship of ecosystems, particularly in the context of rapidly changing...
Resource Type:: Article
Full Text:: to indi- viduals via local light availability. Allocation (based on allometric ratios) and

Deploying initial attack resources for wildfire suppression: spatial coordination, budget constraints, and capacity constraints

Creator:: Lee, Yohan, Fried, Jeremy S., Albers, Heidi J., and Haight, Robert G.
Abstract:: We combine a scenario-based, standard-response optimization model with stochastic simulation to improve the efficiency of resource deployment for initial attack on wildland fires in three planning units in California. The optimization model minimizes the expected number of fires that do not receive a standard response-defined as the number of resources...
Resource Type:: Article
Full Text:: -based, standard-response optimizationmodel with stochastic simulation to improve the efficiency of

Uplink Performance Characterization and Analysis of Two-Tier Femtocell Networks

Creator:: Chakchouk, Nessrine and Hamdaoui, Bechir
Abstract:: This paper provides a cross-layer analysis of uplink performance in femtocell networks. It characterizes the uplink physical interference in femtocell networks and studies its impact on the delay and data loss rate of constant-bit-rate (CBR) traffic, as well as on the maximum achievable femto-user throughput. Our work derives data-link layer...
Resource Type:: Article
Full Text:: can be useful for designing efficient resource allocation techniques for FC networks. Index Terms

A Burning Problem: Social Dynamics of Disaster Risk Reduction through Wildfire Mitigation

Creator:: Charnley, Susan, Poe, Melissa R., Ager, Alan A., Spies, Thomas A., Platt, Emily K., and Olsen, Keith A.
Abstract:: Disasters result from hazards affecting vulnerable people. Most disasters research by anthropologists focuses on vulnerability; this article focuses on natural hazards. We use the case of wildfire mitigation on United States Forest Service lands in the northwestern United States to examine social, political, and economic variables at multiple scales that...
Resource Type:: Article
Full Text:: allocation (LMA) on national forests. Land and Resource Management Plans allocate dif- ferent uses and

ScholarsArchive@OSU

Experimental results for the allocation of buffers in closed serial production lines

Agent-based tsunami evacuation modeling of unplanned network disruptions for evidence-driven resource allocation and retrofitting strategies

Turbulence in Sparse, Organized Vegetative Canopies: A Large-Eddy Simulation Study

Effects of silvicultural practices on carbon stores in Douglas-fir – western hemlock forests in the Pacific Northwest, U.S.A.: results from a simulation model

Effects of heat and drought on carbon and water dynamics in a regenerating semi-arid pine forest: a combined experimental and modeling approach

Thermodynamic and Aerosol Controls in Southeast Pacific Stratocumulus

An individual-based process model to simulate landscape-scale forest ecosystem dynamics

Deploying initial attack resources for wildfire suppression: spatial coordination, budget constraints, and capacity constraints

Uplink Performance Characterization and Analysis of Two-Tier Femtocell Networks

A Burning Problem: Social Dynamics of Disaster Risk Reduction through Wildfire Mitigation

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