نتایج جستجو برای: direct modeling

تعداد نتایج: 800023  

Journal: :int. journal of mining & geo-engineering 2012
roohollah parvizi gholam hossain norouzi fereydoun sahabi

avo as a known methodology is used to identify fluid type and reservoir lithology in subsurface exploration. method discussed in this paper, consists of three stages, including: direct modeling, inverse modeling and cross plot interpretation. by direct modeling we can clarify lithology or fluid dependent attributes. analysis performed using both p-p and p-sv attributes. inverse modeling deals w...

Journal: :journal of agricultural science and technology 2010
m. r. najafi shahri s. m. r. behbahani

this paper describes a simple, physically-based conceptual model utilizing watershed drainage characteristics for rainfall-runoff simulation. this conceptual physiographic model is essentially based on the work of najafi (2003), which has led to a model compris-ing the main tributary subwatersheds and a single main channel subwatershed. the ki-nematic wave (kw) theory is used to describe flow o...

Journal: :desert 2013
a. salajegheh s. dalfardi m. mahdavi a. bahremand

since direct experimental evidence is not available, this must be verified through a modeling approach, providedadequate data be available. many statistical methods are used to study the relation between independent anddependent variables.this research was carried out at the western part of jazmurian basin tlocated in the southeast ofiran. in this paperused ten physical characteristics such as ...

Journal: :Computer Aided Design 2023

Feature-based parametric modeling is the de facto standard in CAD. Boundary representation-based direct another CAD paradigm developed recently. They have complementary advantages and limitations, thereby offering huge potential for improvement towards an integrated scheme. Most existing integration methods are by industry typically treat edits as pseudo-features, where little can be said about...

Journal: :desert 0
a. salajegheh associate professor, university of tehran, karaj, iran s. dalfardi academic staff, university of jiroft, jiroft, iran m. mahdavi emeritus professor, university of tehran, karaj, iran a. bahremand associate professor, gorgan university of agricultural sciences and natural resources, gorgan, iran

since direct experimental evidence is not available, this must be verified through a modeling approach, providedadequate data be available. many statistical methods are used to study the relation between independent anddependent variables.this research was carried out at the western part of jazmurian basin tlocated in the southeast ofiran. in this paperused ten physical characteristics such as ...

Fereydoun Sahabi Gholam Hossain Norouzi, Roohollah Parvizi

AVO as a known methodology is used to identify fluid type and reservoir lithology in subsurface exploration. Method discussed in this paper, consists of three stages, including: Direct modeling, Inverse modeling and Cross plot interpretation. By direct modeling we can clarify lithology or fluid dependent attributes. Analysis performed using both P-P and P-Sv attributes. Inverse modeling deals w...

Introduction: Structural Equation Modeling (SEM) is a very general statistical modeling technique, which is widely used in the behavioral sciences. It can be viewed as a combination of path analysis, regression and factor analysis.  One of the prominent features of this method is the ability to compute direct, indirect and total effects, as well as latent variable modeling. Methods: This sy...

Journal: :Journal of Direct Marketing 1997

Alborz Zehni Samad Jafarmadar,

In order to comply with stringent pollutant emissions regulations, a detailed analysis of the engine combustion and emission is required. In this field, computational tools like CFD and engine cycle simulation play a fundamental role. Therefore, the goal of the present work is to simulate a high speed DI diesel engine and study the combustion and major diesel engine emissions with more deta...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
samad jafarmadar alborz zehni

in order to comply with stringent pollutant emissions regulations, a detailed analysis of the engine combustion and emission is required. in this field, computational tools like cfd and engine cycle simulation play a fundamental role. therefore, the goal of the present work is to simulate a high speed di diesel engine and study the combustion and major diesel engine emissions with more details,...

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