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The structural characteristics of Erhu:
Erhu is composed of nine It consists of parts, namely: piano tube, piano rod, piano skin, pegs, strings, bow rod, jack, piano code and bow hair. Among them, the shape of the piano tube is hexagonal, octagonal, circular, front octagonal and rear circular, etc. The shape of the piano tube commonly used in Erhu is hexagonal. The piano tube is mostly made of mahogany, rosewood or ebony. The skin is the skin on the front of the piano barrel, also called the membrane. It is the device for erhu pronunciation. It is usually made of snakeskin or python skin. The piano rod is the backbone of the erhu and plays a role in connecting the upper and lower parts of the erhu. There are two upper and lower piano axes in the erhu, which have the function of adjusting the pitch. The bow is composed of a bow rod and bow hair. The bow rod is made of purple bamboo and the bow hair is made of horsetail.
How to express Erhu:
How to express Erhu There are many, including line drawing expression, sketch expression and color expression, etc. This chapter only introduces the simple expression method of Erhu. The simple method of expressing the Erhu is divided into the following steps: The first step is to position the composition of the picture. In this step, the painter is required to carefully consider the arrangement of the Erhu in the picture. The second step is to use a lighter pen (such as charcoal strips, etc.) to draw the large external shape and main structure of the erhu. When doing the simple expression of this step, the force on the pen should be light to facilitate the formal expression later. Revise. The third step is to perform in-depth and detailed simple drawing. First, draw the main stem of the erhu. After the main stem is drawn, draw the two axes of the erhu. Then draw the same part of the erhu, and the cylinder part as a cylinder. After drawing the piano tube, connect the strings. The strings can be connected from the first axis to the piano tube. At this point, the main body of Erhu has been completed. After the Erhu main body is completed, the Erhu bows are added. The bows are composed of straight lines and arcs.
