نتایج جستجو برای: eshelby mori tanaka approach

تعداد نتایج: 1297287  

Journal: :Mathematics 2022

This work focuses on the effects of inclusion proximity elastic behavior dilute matrix-inclusion composites. Rigid or soft monodisperse spherical inclusions are considered with moderate volume fractions. To conduct this study, Representative Volume Elements (RVE) an effective local minimum distance between varying sphere’s radius and one-tenth built. Numerical finite element calculations RVE pe...

Journal: :Archive of Applied Mechanics 2022

Abstract Mean-field homogenization is an established and computationally efficient method estimating the effective linear elastic behavior of composites. In view short-fiber reinforced materials, it important to homogenize consistently during process simulation. This paper aims comprehensively reflect expand basics mean-field anisotropic viscous properties show parallelism properties. particula...

2006
YOSUKE TANAKA HIRONORI MAEDA YASUHIRO OGAWA AKIHITO NISHIOKA SATOSHI ITOH KEI KUBOTA HIRONOBU UE KIMIKO NAKATANI SHIRO SASAGURI

A sentinel node biopsy (SNB) has been proved to be an accurate method to estimate the axillary lymph node status as a replacement for axillary lymph node dissection (AxLND) in patients with early breast cancer who have not been treated with neoadjuvant chemotherapy (NAC). We examined the feasibility and accuracy of performing SNB after NAC. Seventy breast cancer patients treated with NAC were e...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی مکانیک 1387

خواص مکانیکی، حرارتی و الکتریکی فوق العاده نانو لوله ها (cnts) سبب شده است که این نانو ساختارها به عنوان یکی از بهترین فاز های تقویت کننده در پلیمر مطرح شوند. عوامل متعددی همچون حالت خمیده این نانو لوله ها، نحوه پراکندگی آنها در داخل پلیمر، خواص مکانیکی فاز میانی و غیره، از عوامل تعیین کننده در خواص کلی نانو کامپوزیت های تقویت شده با نانو لوله ها می باشد. در این پروژه به یکی دیگر از خواص این نا...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2003
David A Kessler Herbert Levine

We investigate the validity of the linear elastic fracture mechanics approach to dynamic fracture. We first test the predictions in a lattice simulation, using a formula of Eshelby for the time-dependent stress intensity factor. Excellent agreement with the theory is found. We then use the same method to analyze the experiment of Sharon and Fineberg. The data here are not consistent with the th...

2006
TETSUJI TANAKA TAO BAI KAZUNORI YUKAWA NAOHIKO UMESAKI

Patients with unresectable advanced carcinoma of the uterine cervix are usually treated with chemotherapy or chemoradiotherapy. In the present study, the optimal administration protocol for etoposide in chemotherapy and chemoradiotherapy for advanced cervical cancer patients was investigated in vitro using the radio-sensitive and anticancer drug-sensitive human cervical squamous cell carcinoma ...

Abbasali Ghaderi Ahmed El-Shafie, Behrooz Keshtegar,

In this paper, the nonlinear conjugate map is applied based on the conjugate Hasofer-Lind and Rackwitz- Fiessler (CHL-RF) method to evaluate the reliability index using the first order reliability method of the embedded nanocomposite beam, which is made of a polymer reinforced with carbon nanotubes (CNTs). The structure is simulated with the Timoshenko beam model. The Mori-Tanaka model is appli...

A Ghorbanpour Arani, M Mohammadimehr S Amir V Sadooghi

Thermal stress analysis of a thick-walled cylinder reinforced with functionally graded (FG) single-walled carbon nanotubes (SWCNTs) is considered in radial direction. Thick-walled cylinder is subjected to a thermal field. Two layouts of variations in the volume fraction of SWCNTs were considered in the composite cylinder along the radius from inner to outer surface, where their names are increm...

Approximately, 50 to 70 percent of hydration products in hydrated cement paste are polymorphisms of C-S-H gel. It is highly influential in the final properties of hardened cement paste. Distinguishing C-S-H nano-structure significantly leads to determine its macro scale ensemble properties. This paper is dealt with nano-scale modeling. To achieve this, the most important C-S-H compounds, with a...

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